Internet Leased Line (ILL)
Dedicated, symmetric bandwidth with carrier-grade SLA — the backbone of enterprise internet connectivity
Features & Benefits
Standard Bandwidths
HIGHER BANDWIDTH RANGES
ILL SLA Commitments
| Parameter | Commitment |
|---|---|
| Service Availability | ≥ 99.5% |
| Packet Loss | ≤ 1% |
| MTTR | 4 Hours |
SERVICE CREDITS FOR DOWNTIME
| Availability | Credit |
|---|---|
| 99.49% – 99.00% | 1 Day |
| 98.99% – 98.00% | 2 Days |
| 97.99% – 97.00% | 3 Days |
| Below 97.00% | 4 Days |
Smart VPN — Hybrid WAN
A comprehensive networking solution delivering data privacy, cost savings, and reliable connectivity across all locations
MPLS VPN
We provide seamless business network connectivity across 70+ locations worldwide with reliable Onnet and Offnet delivery solutions.
Secure Connect
Private network extension to MS Azure & AWS cloud providers
Internet VPN
Cost-optimal IPSec VPN over customer's own broadband or ILL
Wireless Last Mile
Managed LTE/GSM VPN — anywhere, any telco SIM
Outsourced Routing
Carrier handles WAN routing — fewer internal resources needed
Flexible Topology
MESH / any-to-any, hub & spoke, fully scalable
QoS Priority
Latency-sensitive traffic (voice, video) handled first
SLA Guaranteed
Uptime, latency, jitter and packet drop SLAs included
Leased Line Offerings
Private dedicated lines with guaranteed SLA — connecting your offices with enterprise-grade reliability
Available Bandwidths
Service Variants Comparison
| Parameter | Premium | Platinum ★ |
|---|---|---|
| Service Availability | 99.5% | 99.5% |
| MTTR | 4 Hours | 4 Hours |
| Planned Maintenance Notice | 3 Days | 3 Days |
| Emergency Maintenance Notice | 1 Hour | 1 Hour |
| Restoration | ✔ | ✔ |
| POP-to-POP Protection | SNCP | PRC (Protection + Restoration) |
| Available for L2MC | ✔ | ✗ |
Service Assurance & SLA
Industry-leading SLAs across all connectivity products — backed by Tata's nationwide network infrastructure
| Service Type | Service Availability | Latency | Packet Loss | Jitter (Platinum) |
|---|---|---|---|---|
| ILL — Tier 1 Cities | ≥ 99.5% | ≤ 70 ms | < 0.5% | ≤ 15 ms |
| ILL — Tier 2 Cities | ≥ 99.5% | ≤ 90 ms | < 1.0% | ≤ 20 ms |
| ILL — Tier 3 Cities | ≥ 99.5% | ≤ 110 ms | < 1.0% | ≤ 25 ms |
| MW / RF Links | ≥ 98.0% | N/A | N/A | N/A |
| Internet VPN | ≥ 99.5% | N/A | N/A | N/A |
| Wireless LM (Cellular) | ≥ 99.5% | N/A | N/A | N/A |
| Secure Connect | ≥ 99.5% | N/A | N/A | N/A |
Nearly 20 Years of ICT Excellence
Since 2006, Sai Ratna Enterprise Solutions has been at the forefront of delivering cutting-edge ICT solutions across India. As an authorized partner of Tata Communications and Tata Teleservices Ltd, we've helped hundreds of businesses transform their operations with reliable, scalable, and secure enterprise solutions.
19+
Years Experience
500+
Happy Clients
50+
Expert Team
24/7
Support
Trusted Tata Authorization
Official partner status with Tata Communications and Tata Teleservices, ensuring enterprise-grade solutions backed by global infrastructure and 140,000+ KM fiber network.
Proven Track Record
Nearly two decades of successful deployments across BFSI, manufacturing, education, logistics, and technology sectors with measurable outcomes.
Dedicated Support Team
24×7 NOC with experienced professionals. 4-hour MTTR guarantee. Proactive monitoring — issues resolved before they affect your business.
Innovation & Scalability
Stay ahead with SD-WAN, cloud telephony, AI-powered CCaaS, and flexible solutions that grow with your business — from 2 Mbps to multi-Gbps.
Frequently Asked Questions
Get answers about our Tata-powered enterprise connectivity and cloud solutions.
Loved By Our Clients
Our clients trust us for delivering exceptional, reliable, and scalable enterprise connectivity powered by Tata Communications and Tata Teleservices.
Tata Communications has been a trustworthy partner, always understanding our business needs and delivering seamless cloud contact center solutions. Their team enabled quick deployment and significantly improved our customer satisfaction and operational efficiency.
Abhijit Chakravarty
VP - Information Technology, Axis Bank
Our partnership has transformed our customer engagement. The omnichannel support, AI-driven tools, and dedicated staff delivered outstanding results — faster response times, higher CSAT scores, and cost savings we never thought possible.
Rajeswari Balaraman
Service Delivery Manager, Leading IT Services Firm
With reliable connectivity from Tata Teleservices and advanced CCaaS features, we achieved seamless 24/7 service, reduced resolution times, and delighted customers across channels — truly a game-changer for our business.
Ashok Jade
Group CIO, Manufacturing & Tech Company
Our Valued Clients
Our Location
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