As you have asked about the address and IFSC code details of the State Bank of Travancore Kolkata Main branch, I am giving you information about it, check below for the details

Bank: STATE BANK OF TRAVANCORE

Address:
P.B.NO.9036, 36, CHOWRINGHEE ROAD,
MIDDLE TOWN ROW P.O., KOLKATA,
WEST BENGAL, PIN-700071

State: WEST BENGAL
District: KOLKATA
Branch: KOLKATA-MAIN

IFSC Code:
SBTR0000248 (used for RTGS, IMPS and NEFT transactions)

Branch Code:
Last six characters of IFSC Code represent Branch code.

MICR Code: 700009003

You can also take help of branch locator tool to get the details about the branch.
To use it
Go to SBT website
Place cursor on Branch/ ATM
Click on Branch/ ATM locator
The page open look like



Here you will get the information.