Hello, here I am providing you the details of the cities of the exam centres of the SSC CGL exam in UP, Bengal and Karnataka as under:

Uttar Pradesh:
Agra ( 3001 )
Allahabad ( 3003 )
Bareilly ( 3005 )
Gorakhpur ( 3007 )
Kanpur ( 3009 )
Lucknow ( 3010 )
Meerut ( 3011 )
Varanasi ( 3013 )
Bhagalpur ( 3201 )
Muzaffarpur ( 3205 )
Patna ( 3206 )

Regional Director ( CR ),
Staff Selection Commission,
21 - 23Lowther Road Allahabad,
Uttar Pradesh - 211 002

West Bengal:
Gangtok ( 4001 )
Ranchi ( 4205 )
Barasat ( 4402 )
Berhampore ( 4403 )
Chinsurah ( 4405 )
Jalpaiguri ( 4408 )
Kolkata ( 4410 )
Malda ( 4412 )
Midnapur ( 4413 )
Siliguri ( 4415 )
Bhubaneshwar ( 4604 )
Cuttack ( 4605 )
Keonjhargarh ( 4606 )
Port Blair ( 4802 )
Sambalpur ( 4609 )

Regional Director (ER),
Staff Selection Commission,
1st MSO Building(8th Floor)
234/4. Acharya Jagadish Chandra Bose Road,
Kolkata,
West Bengal - 700 020.

Karnataka:
Bangalore ( 9001 )
Dharwar ( 9004 )
Gulbarga ( 9005 )
Mangalore ( 9008 )
Kochi ( 9204 )
Thiruvananthapuram ( 9211 )
Thrissur ( 9212 )
Kozhikode ( Calicut ) ( 9206 )
Mysore ( 9009 )

Regional Director ( KKR ),
Staff Selection Commission,
1st Floor"E" WingKendriya Sadan,
Koramangala,
Bangalore,
Karnataka - 560 034