As you are looking for contact information of branches of Citibank situated in India to know their IFSC Code, so here I am providing contact information:

Branches of Citibank in India with IFSC Code
IFSC BRANCH ADDRESS
CITI0000001 Kolkata Kanak Building, 41,Chowringhee
Road, Kolkata - 700071
CITI0000002 New Delhi Jeevan Bharti Building, 124,
Connaught Circus, New Delhi-110 001

CITI0000003 Alwarpet 50, C.P. Ramaswamy Road, 3rd
Street, Abhiramapuram, Alwarpet, Chennai - 600 018
CITI0000003 Anna Salai 163, Anna Salai, Chennai 600 002
CITI0000004 Bangalore No. 5, M.G. Road, Bengaluru 560001

CITI0000004 Jayanagar No. 91, Prestige South End,
South End Road, Opposite Surana College, Jayanagar, Bengaluru - 560 004

CITI0000005 Pune Ground Floor, Onyx Twr,37/3
Ghorpadi,Nr Westin Hotel,North Koregaon Park,Main Road,Pune - 411 001
CITI0000006 Hyderabad Ground Floor, Queens Plaza, S.P.
Road, Begumpet, Hyderabad - 500 003

CITI0000007 Ahmedabad Ground Floor, Kalapurnam, Near
Municipal Mkt,Main C.G Rd,Ahmedabad-380 009

CITI0000008 Baroda Ground Floor, Pelican, Opp.
Race Course Towers, Gotri Road, Vadodara-390 007
CITI0000009 Jaipur Ground Floor, Bhagwati Bhawan,
Govt. Hostel Crossing, M I Road, Jaipur-302 001

Branches of Citibank in India with IFSC Code