Address

O/o Principal Controller of Communication Accounts
Government of India
Ministry of Communications 
Department of Telecommunications
Sanchar Lekha Building, 

Chikkadpally, Hyderabad - 500020

For Pension Enquiries :

Toll Free No: 1-800-4250-6000

Phone : 040 - 27541445

Email id: dbacca.ts-dot@gov.in