During the course of his PhD studies , he moved to Tata Institute of Fundamental Research ( TIFR ) .
During the course of his PhD studies , he had a three - year stint at Scripps Institution of Oceanography before securing a PhD in 1969 from Bombay University .
During the course of his PhD studies , he moved to Tata Institute of Fundamental Research ( TIFR ) and had a three - year stint at Scripps Institution of Oceanography before securing a PhD in 1969 from Bombay University .