AT&T Global Network Services India Private Limited

Naveen Tandon,
Principal Regulatory Officer,
Vatika Triangle,
3rd floor, Sushant Lok-1,
Block-A, M.G.Road,
Gurgaon: 122002.
Regd. Off: 13th floor, 1305-06,
Mohan Dev House,
13, Tolstoy Marg,
New Delhi-110 001