As you asking for the Swift BIC Code of the branches of the State bank Travancore the names of the branches with their Swift BIC Code is given below

BIC CODE BRANCH NAME
SBTRINBB002 CHENNAI MAIN
SBTRINBB005 OOTACAMUND (OOTY)
SBTRINBB007 TIRUPUR
SBTRINBB008 MADURAI MAIN
SBTRINBB011 NAGERCOIL
SBTRINBB020 KOWDIAR
SBTRINBB025 SHANGUMUGHOM
SBTRINBB028 THIRUVANANTHAPURAM MAIN
SBTRINBB029 MEDICAL COLLEGE THIRUVANANTHAPURAM
SBTRINBB030 PAPPANAMCODE
SBTRINBB054 KOLLAM MAIN
SBTRINBB064 KUNDARA
SBTRINBB075 ALAPPUZHA MAIN
SBTRINBB081 CHERATHALA
SBTRINBB094 THIRUVALLA MAIN
SBTRINBB102 KOTTAYAM MAIN
SBTRINBB140 KOCHI-MATTANCHERRY
SBTRINBB142 M.G.ROAD,ERANAKULAM
SBTRINBB145 KALAMASSERY MAIN
SBTRINBB147 ALUVA
SBTRINBB157 ANGAMALLY
SBTRINBB159 KOLENCHERRY
SBTRINBB162 AMBALAMUGHAL
SBTRINBB166 THRISSUR MAIN
SBTRINBB177 PALAKKAD MAIN
SBTRINBB188 KOZHIKODE MAIN
SBTRINBB192 KALPETTA
SBTRINBB226 MANGALORE
SBTRINBB230 IE CHANGANACHERRY
SBTRINBB235 TRIKKAKARA MAIN
SBTRINBB238 KANNUR MAIN
SBTRINBB246 TUTICORIN
SBTRINBB248 CALCUTTA MAIN
SBTRINBB279 KOLLAM BEACH ROAD
SBTRINBB303 TIRUNELVELLI
SBTRINBB311 KONDOTTY
SBTRINBB319 PAPPANAICKENPALAYAM,COIMBA
SBTRINBB327 KALOOR,ERANAKULAM
SBTRINBB337 KAROL BAGH ,NEWDELHI
SBTRINBB390 KARUR
SBTRINBB391 SECUNDERABAD
SBTRINBB405 VELLORE
SBTRINBB457 OVERSEAS BRANCH COCHIN
SBTRINBB508 AHMEDABAD
SBTRINBB541 NAGPUR
SBTRINBB550 PUNE
SBTRINBB561 MAVOOR ROAD KOZHIKODE
SBTRINBB563 R.K.PURAM ,NEWDELHI
SBTRINBB590 VIJAYAPURAM
SBTRINBB607 BHOPAL-AREA COLONY
SBTRINBB611 BHUBANESHWAR
SBTRINBB612 JAIPUR
SBTRINBB631 NRI ATTINGAL
SBTRINBB633 INDORE
SBTRINBB642 NRI,ERANAKULAM
SBTRINBB644 IE CHENNAI

For knowing the details of the branches of the State bank of Travancore you may get the from the branch locator of the official site of the State bank of Travancore

For your convince here I am giving you the snapshot of that page