Leased Line vs Broadband for Business Bangalore: 2026

The 3 AM Outage That Cost a Client ₹1.2 Lakh

In April 2025, a 40-person design studio in HSR Layout called us at 3 AM. Their broadband connection had dropped — the third time that month. Their backup 4G dongle couldn't handle the load. A render farm in their office was mid-job for a client in the US. The job died. They missed a 9 AM deadline, lost the client, and paid ₹1.2 lakh in penalties and rework. The root cause? They were running a 200 Mbps broadband connection that shared bandwidth with 30 other offices in the building. It was never designed for sustained uploads.

This happens every week in Bangalore. Companies sign up for a "business broadband" plan, get a decent price, and then discover that the connection is contended — shared, asymmetrical, and with no meaningful uptime guarantee. The pain shows up in video calls, cloud backups, and uploads to AWS.

If you're evaluating connectivity for a Bangalore office, you're probably asking: is a leased line worth 3-4x the cost of broadband? This article gives you numbers, trade-offs, and a decision framework. No fluff.

What a Leased Line Actually Is

A leased line (also called an ILL, or Internet Leased Line) is a dedicated point-to-point connection between your office and your ISP's network. It is not shared with other customers. You get:

• Symmetric bandwidth: 100 Mbps download AND 100 Mbps upload.
• A service-level agreement (SLA): typically 99.5% to 99.9% uptime, with a defined response time for faults (often 4-8 hours in Bangalore).
• Static IP addresses: usually a block of 4, 8, or more — useful for VPNs, hosting, and remote access.
• Low contention ratio: effectively 1:1. The bandwidth is yours.

The physical delivery is usually fiber. In Bangalore, ISPs like ACT, Airtel, and Jio run fiber to most office buildings in tech parks, HSR, Koramangala, and Whitefield. Rural industrial areas may need a longer lead time.

What Business Broadband Is (and Isn't)

Business broadband (often called "business fiber") is still a shared connection. The ISP aggregates many customers onto the same backhaul. The headline speed might be 100 Mbps or 300 Mbps, but you're fighting for that with your neighbors.

The typical contract:

• Asymmetrical: 100 Mbps down, 50 Mbps up (or worse).
• No SLA, or a token one ("best effort" uptime of 99% but no penalty).
• Contention ratio of 1:4 or 1:8 or even higher. That means if 8 people in your building are streaming 4K video at 7 PM, your speed drops.
• Dynamic IP unless you pay extra — and even then, it's often a single static IP.

Bangalore-Specific Realities

Bangalore's power reliability is decent, but not perfect. Most offices use UPS and some use generators. But your ISP's equipment in the street cabinet also needs power. If there's a power cut in your area, the fiber node might go down — and broadband providers often have minor battery backup, but not hours of runtime.

Monsoon brings its own problems. Water ingress in underground ducts and manholes can cause intermittent faults. A leased line's SLA usually includes a faster response for such infrastructure issues, whereas a broadband provider might take a day or two to repair.

Also, new office setups in Bangalore often face a lead time of 5-15 working days for a new leased line. Broadband is faster — sometimes 3-5 days. If you're moving offices, plan ahead.

GST note: Both leased lines and broadband are subject to 18% GST, but the tax treatment on the invoice matters for input credit. Leased lines are often billed as a service, which is eligible for input credit if you're registered. Check with your CA.

Side-by-Side Comparison Table

Here's a realistic comparison for a 100 Mbps connection in 2026, based on quotes we've seen for Bangalore offices.

Prices for 100 Mbps leased line in Bangalore range from ₹8,000 to ₹12,000 per month for a 12-month contract. A 1 Gbps leased line runs ₹35,000-₹60,000. Broadband at 300 Mbps can be as low as ₹2,500 a month, but upload is capped at 150 Mbps.

When Broadband Is Enough

If your office uses connectivity for web browsing, email, and the occasional video call, broadband is fine. Don't overspend on a leased line for a 5-person sales office.

Broadband makes sense when:

• You have less than 15 employees and no heavy cloud usage.
• You don't host any services on-site.
• A few hours of downtime won't cause revenue loss — for example, a workshop that doesn't take online orders.
• You have a backup connection (even a good 4G/5G dongle).

But here's the trap: many companies think they can "manage" with broadband, then start using cloud accounting software, video conferencing, and large file transfers. The shared connection degrades exactly when you need it most — during peak hours.

When You Need a Leased Line

Upgrade to a leased line if you answer yes to any of these:

• You run a VPN for remote workers. A contended line means your VPN drops or slows, killing productivity.
• You upload large files — video editors, designers, architects sending 3D models. A 10 GB upload on broadband can take hours due to low upload speed and contention.
• You have a server on-premise hosting databases or applications, and customers outside your office access it.
• You process credit card payments and need reliable connectivity during business hours. A dropped transaction means lost sales.
• Your team is 20+ people and they all use cloud apps like Office 365, Google Workspace, or Zoho. Even with 100 Mbps down, if upload is capped, Teams calls can lag.

If you're in a tech park like Manyata or RMZ, the building might have a broadband connection included in the lease — but it's usually a shared pipe for all tenants. That's a recipe for disaster.

The Failure Story That Made Me Write This

Recall the HSR design studio. They were paying ₹1,800 per month for 100 Mbps broadband from a major ISP. The office had 20 MacBook Pros, all syncing to Dropbox Business. They also did client video calls on Zoom, often with screen sharing.

The intermittent drops started in March — usually at 2-3 PM and again at 8 PM. Those are peak usage times in the building. The ISP's support said "there's no fault on our end" and blamed their router. But we checked the router logs — it was the WAN dropping.

The cost of that downtime:

• 3 AM failure: ₹1.2 lakh loss from missed deadline.
• 10 hours of staff idle across the month: at ₹700/hr blended cost, that's ₹21,000 lost.
• Two site visits by our team to troubleshoot: ₹8,000.

The total? Over ₹1.5 lakh in a month. They could have gotten a 50 Mbps leased line for ₹9,000 that month and been ahead.

After that, we installed a dual-WAN router (Cisco RV345) with a 200 Mbps broadband as the primary and a 50 Mbps leased line as secondary. We configured failover to happen in under 30 seconds. They've had three broadband outages since — and nobody in the office noticed because the leased line took over automatically for auto-syncing and video calls.

The lesson is not that leased lines are always necessary — it's that you need to calculate the cost of downtime. If your monthly connectivity cost is less than 2 hours of lost revenue, you should probably upgrade.

Bandwidth and Pricing Deep Dive (2026)

Let's get into the numbers. Prices below are for new connections in Bangalore as of April 2026. They include local ISP variations.

Business Broadband Plans

Note that Airtel's 100 Mbps plan offers symmetric speeds — but it's still contended. Jio's plan is download-heavy.

Leased Line Plans

Prices can drop if you buy a 24-month contract. Installation fees are often waived during promotional periods — especially in tech parks.

The Real Cost of a Static IP

Broadband usually gives you a dynamic IP. If you need a static IP for VPN or remote access, you pay a premium. Airtel charges ₹300/month for a single static IP on business fiber. ACT charges ₹250/month. That's an extra ₹3,000-3,600 a year — versus a leased line that includes a block of IPs.

But do you need a static IP? If you're using cloud-based VPN like Tailscale or ZeroTier, you don't. If you're hosting a service on-premise, you do. Many businesses don't realize they can use a dynamic DNS service like No-IP for free.

Symmetry Matters More Than Headline Speed

Here's a test: if you're on a 100 Mbps broadband, try uploading a 2 GB file to Google Drive. Time it. If it takes 20 minutes, that's 100 Mbps upload. But if your plan is 100/40, it'll take 40-50 minutes.

Video conferencing (Zoom, Teams, Meet) requires around 3-8 Mbps upload per participant for HD quality. If you have 20 people in a meeting, that's 60-160 Mbps needed — and you won't get that on a shared 100 Mbps line.

SuiteCRM or Zoho CRM syncs also upload data continuously. Symmetric bandwidth is crucial for any kind of bidirectional data flow.

Contention Ratio: The Silent Killer

Contention ratio is the number of customers sharing the same pipe. A 1:4 ratio means you could get at most 1/4 of your speed during peak hours. ISPs rarely disclose this, but you can infer from price.

Airtel's 100 Mbps business fiber at ₹2,200/month is likely contended 1:8 or higher. In an office park, at 5 PM, you might see only 20 Mbps down. That's not paranoia — we've measured it.

Leased lines have a contention ratio of 1:1, which is why they cost more.

Static IPs: Do You Need Them?

Static IPs are essential if you:

• Run a VPN server.
• Host a website or application.
• Use IP-whitelisted services like bank APIs for payment gateways.

Leased lines provide a block of static IPs without extra cost. If you only need one static IP, broadband might suffice.

But remember: a static IP on broadband is still on a contended line. You'll have the same latency during peak hours.

Dual-ISP Failover: The Cost-Effective Sweet Spot

Instead of picking one, run both. That's what we recommend for most businesses of 20+ employees or with any dependence on the internet.

The Setup

• Primary: Business broadband (say 200 Mbps download, 100 Mbps upload) at ₹2,500/month.
• Secondary: Leased line (50 or 100 Mbps) at ₹8,000-12,000/month.

Use a dual-WAN router (we like FortiGate 60F or Cisco RV345) to do automatic failover. You can also do load balancing, but we recommend failover only to keep the routing simple.

Total cost: ~₹10,500-14,500 per month. Compare that to a 200 Mbps leased line alone at ₹20,000/month. You save ₹5,000-9,500 while getting the reliability of an SLA when it matters.

Why not two broadband connections? Because they share the same fiber infrastructure often — if the ISP's downstream node fails, both die. Leased lines from different providers (e.g., Airtel and ACT) are more diverse.

Does It Pay for Itself?

If your office of 25 people has a billable rate of ₹1,000 per hour per person, one hour of internet downtime costs ₹25,000. With two connections, you reduce downtime from several hours a year to minutes. Even if one leased line cost ₹12,000/month, if it prevents even one 2-hour outage per quarter, you've covered the cost.

We've deployed this for clients in Jayanagar and Electronic City. The ROI is typically under 6 months.

How to Choose Between Leased Line and Broadband in Bangalore

Step 1: Calculate Your Uptime Needs

How many hours of internet outage can you tolerate per month without losing money? If it's zero, get a leased line. If it's a few hours, consider broadband with a good router.

Step 2: Measure Your Upload Traffic

Log into your router and see the peak upload throughput. If you see sustained uploads of >20 Mbps on a regular basis, you need a leased line.

Step 3: Check the Cost of Downtime

Multiply the number of affected employees by their hourly loaded cost. For a 50-person company, that's easily ₹35,000-50,000 per hour. If your current connection has had 2 outages in the last 6 months, you've already lost more than leased line would cost.

Step 4: Look at Contract Flexibility

Leased lines require a 12-24 month commitment with an early exit penalty of 3-6 months of rental. If you're in a shared office with uncertain lease length, broadband gives you flexibility.

Alternatives You Might Not Have Considered

A. Fixed Wireless Access (5G/4G)

Jio and Airtel offer 5G fixed wireless with 100+ Mbps speeds and low latency. Prices are around ₹799-1,499/month for unlimited data, no contract. This is a viable backup, but it's not a perfect replacement because:

• It's mobile broadband, so it degrades during network congestion.
• No static IP (unless you pay for a static IP on 5G, which is rare in India).
• Latency can be higher than fiber.

B. SD-WAN over Broadband

For multi-office companies, SD-WAN can bond two broadband connections from different ISPs to achieve reliability without a leased line. Solutions like Peplink, Cisco Meraki, or cloud SD-WAN from Tata Communications cost ₹5,000-15,000 per site per month. This is great if you have many small offices.

C. Colocation with Cloud

If you're hosting applications on-premise because you need low latency, consider moving to a cloud region (AWS Mumbai) and get a smaller connection for user access. This shifts the bandwidth burden to the cloud provider.

Common Mistakes Bangalore Businesses Make

Mistake 1: Believing the ISP's "99.9% Uptime" for Broadband

That's marketing. For business broadband, there's no financial penalty if it goes down. The ISP will credit a few rupees after you fight for it.

Mistake 2: Sharing a Broadband Connection in a Business Park

Many tech parks offer "inclusive" internet in the rent. That's typically a 100 Mbps pipe for the entire floor of 30+ seats. Don't rely on that.

Mistake 3: Ignoring Upload Speeds

If you sign up for a "150 Mbps" broadband, check if it's 150/75 or 150/15. Some ISPs in India sell asymmetrical plans where upload is capped at 10-20 Mbps.

Mistake 4: Not Planning for Monsoon

Bangalore monsoon (June-September) often causes underground cable faults. If your business depends on connectivity, ensure you have redundancy.

Technical Details That Matter

Latency and Jitter

Broadband can have high jitter (variation in latency) when the line is busy. For VoIP calls, jitter is more damaging than raw speed. A leased line typically has low jitter because it's dedicated.

We measure jitter using ping plotter. If you see spikes above 50 ms during peak hours, that's cause for concern.

Routing and Peering

ISPs in India route international traffic through different submarine cables. Airtel uses its own cable on the east coast; ACT uses Tata's. If you have heavy traffic to the US or Europe, routing can affect your latency. Test with a free tool like Speedtest by Ookla to see the ping to a load balancer in London.

CPE (Customer Premises Equipment)

A leased line requires an Ethernet handoff, typically on a router or ONT provided by the ISP. Quickest way to connect is to plug into their device. But if you need VLAN segmentation, you'll want a proper firewall.

Quick Decision Matrix Table

FAQ

Is a leased line worth it for a small business in Bangalore?

If your business has less than 15 employees and you tolerate occasional drops, likely no — a ₹2,000 broadband plan is enough. But if one hour of downtime costs more than ₹5,000, consider a leased line as backup.

Can I use a leased line for home?

Yes, but it's overkill. Leased lines are business-grade, priced for business use. For home, a 1 Gbps broadband is cheaper and adequate.

What is the cheapest leased line in Bangalore?

ACT Corp offers a 50 Mbps leased line at around ₹8,000 per month. That's the cheapest we've seen for genuine 1:1 symmetric with an SLA.

How long does it take to install a leased line in Bangalore?

Typically 5-15 working days after the order is placed. It depends on infrastructure in your area. In tech parks it's faster.

Do I need a static IP for broadband?

The easiest way to tell: if you try to access your company's CRM from outside the office and it fails, you need a static IP. Otherwise, skip it.

What happens if the leased line goes down?

With an SLA, the ISP must credit your account for downtime beyond the agreed threshold (e.g., 4 hours). You can also set up automatic failover to a broadband backup.

Your Next Move

Measure your typical upload speed during peak hours. Run a speed test at 5 PM on a Friday. If you see less than 50% of your plan's speed, or if upload is under 20 Mbps, that's your red flag.

Calculate the cost of just one hour of downtime. Multiply your headcount by ₹500-1,000. If that number is greater than the monthly leased line cost, it's time to talk.

We've been managing networks for Bangalore businesses since 2001. We can help you decide, install dual-WAN failover, and negotiate with ISPs. Send us your current bill — we'll tell you if you're overpaying. Get in touch here.

For a checklist of what to ask ISPs, see our network solutions page.