Here is the list of few IAS coaching institutes located in Mukherjee Nagar which you are looking for.
Ujjwal IAS Academy
B-18,Top Floor,Satija House, Mukherjee Nagar,New Delhi,Delhi 110009, New Delhi, DL 110033
092 13 389333

Eklavya I.A.S. Academy
No. A-17, Sonu Tower, Mukharjee Nagar, Delhi – 110009

Ensemble
B 18, 2nd Floor, Commercial Complex, Pin Code-110009, Delhi

Narayana Sri Chaitanya IAS Academy
703, Opposite Bank Of Maharashtra, Near Batra Theatre, Delhi

OP Singhs IAS Study Group
B-13, First Floor, Opposite Meerut Sweets Shop, Dr Mukherjee Nagar, Delhi

Rising IAS Academy
A-5, Raj Tower, 1st Floor, Mukherjee Nagar, Delhi

ETEN IAS
2nd Floor, Batra Cinema Complex, Mukherjee Nagar, Delhi

Aruns IAS
Flat No 104, A-31/34, Jaina Building Commercial Complex, Mukherjee Nagagr, Delhi

Apex IAS Academy
304/A-37, 38, 39, Ansal Building, Commercial Complex, Dr Mukherjee Nagar, Delhi

Abhidhams IAS Studuy Centre
Mukherjee Nagar
B-18 Top Floor, Commercial Complex, Mukherjee Nagagr, Delhi

Advaita IAS Academy
M-2, First Floor, A-31/34, Jaina Extension, Delhi

Sadhna IAS Academy
104, Jyoti Bhavan, Commercial Complex, Dr Mukherjee Nagar, Delhi

SkyLight IAS Academy
2nd Floor, Batra Cinema Complex, Dr Mukherjee Nagar, Delhi