"Rajan Gupta" . . . . . . "Rajat Gupta" . . . . . . . . . . . . . . . . . . . . . "Rajat Kumar Gupta" . . . . . "Gupta" . . . . . . "Senior partner emeritus, former global managing director" . . . . "relationship with Kumar" . . . . . . . . . . . . . "Rajat Kumar Gupta" . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Rajat Gupta" . "1948" . . . . . "1948-12-02" . . . . . . . "Gupta maintained" . . . . . . . . . .