▁ ▁Prof ession ▁In ▁ 1 9 1 4 , ▁he ▁became ▁assistant ▁professor ▁of ▁English ▁in ▁the ▁Post - Gr adu ate ▁Department ▁of ▁the ▁University ▁of ▁Cal cut ta , ▁which ▁he ▁held ▁till ▁ 1 9 1 9 . ▁He ▁went ▁abroad ▁to ▁study ▁at ▁the ▁University ▁of ▁London ▁where ▁he ▁studied ▁Ph on ology , ▁Ind o - Europe an ▁L ingu istics , ▁P rak rit , ▁Pers ian , ▁Old ▁Irish , ▁Goth ic ▁and ▁other ▁languages . ▁He ▁then ▁went ▁to ▁Paris ▁and ▁did ▁research ▁at ▁the ▁Sor bon ne ▁in ▁Ind o - A ry an , ▁S lav ▁and ▁Ind o - Europe an ▁L ingu istics , ▁Greek ▁and ▁Latin . ▁His ▁teacher ▁was ▁the ▁intern ation ally ▁acc laimed ▁lingu ist , ▁Jules ▁Blo ch . ▁After ▁returning ▁to ▁India ▁in ▁ 1 9 2 2 , ▁he ▁joined ▁the ▁University ▁of ▁Cal cut ta ▁as ▁the ▁Kh ai ra ▁ ▁Professor ▁of ▁Indian ▁L ingu istics ▁and ▁Ph on et ics . ▁After ▁ret irement ▁in ▁ 1 9 5 2 , ▁he ▁was ▁made ▁Professor ▁Emer it us ▁and ▁later ▁in ▁ 1 9 6 5 , ▁the ▁National ▁Research ▁Professor ▁of ▁India ▁for ▁Human ities . ▁ ▁Foreign ▁travel ▁with ▁Tag ore ▁Sun iti ▁K umar ▁accompanied ▁Rab ind ran ath ▁Tag ore ▁to ▁Mal aya , ▁S iam , ▁Sum atra , ▁Java , ▁and ▁B ali , ▁where ▁he ▁delivered ▁lect ures ▁on ▁Indian ▁art ▁and ▁culture