As you want, here I’m giving you Tata Communications Limited contact number:

Phone: 092686 88355

Hours:

Sunday Closed
Monday 9AM–5:30PM
Tuesday 9AM–5:30PM
Wednesday 9AM–5:30PM
Thursday 9AM–5:30PM
Friday 9AM–5:30PM
Saturday Closed

Tata Communications is a global company with its roots in the emerging markets. Tata Communications has its headquartered in Mumbai and Singapore.

This Tata Communications has more than 8,000 employees across 38 countries.

The $3.2 billion company is listed on the Bombay Stock Exchange and the National Stock Exchange of India

Address of all branches of Tata Communications Limited in India:

Mumbai
C-21 and C-36, G Block
Bandra Kurla Complex
Mumbai 400098


Pune
Pune-Alandi Road
Dighi, Pune 411015


New Delhi
5th Floor,
Next Gen Tower
New IDC Building
Opp Savitri Cinema,
GK- 1 New Delhi 110048


Kolkata
VSB 1/18 CIT Road
Scheme VII-M Ultadanga
Kolkata 700054


Chennai
VSB, No.4
Swami Sivananda Salai,
Chennai 600002

226 Red Hills Road
Kallikuppam, Ambattur
Chennai 600053

TATA communication ltd. Services are:
Enterprises services:

Network Services
Data Centre Services
Unified Communications and Collaboration
Media & Entertainment Services
Managed Security Services
Content Aggregation and Management