The 33-year-old Swiss, who enjoys a massive fan following in the subcontinent, shared the news of his arrival in his twitter account when he posted a photograph of him along with 14-major winner Pete Sampras.
"Just landed in Delhi. Look who I found on the plane #PistolPete," Federer wrote in his twitter page, along with the photograph which had both the legends smiling for the camera.
"He is here, checked in and ready..@rogerfederer @iptl #breakthecode," Bhupathi wrote.
During his three-day stay in the country for third leg of IPTL, which started yesterday, Federer will play for Indian Aces against Singapore Slammers and UAE Royals.
Besides playing the Legends singles, Federer is likely to pair up with Sania Mirza to play the mixed doubles today and tomorrow.
Tennis legend Boris Becker, who coaches World No. 1 Serb Novak Djokovic, is also expected to be present in the capital for the third leg of the IPTL.