The fifth seeded Indian pair fought tooth and nail for a 7-6 (5) 6-7(5) 10-5 win against the second seeded Belarussian-Canadian pair in their final Group B match that lasted almost two hours.
Leander Paes and his Czech partner Radek Stepanek have already secured a place in the last-four stage and they play their last Group A match against top seeded American pair of Bob and Mike Bryan tomorrow.
The Indians saved five breakpoints to win the first set in a tie-break but Mirnyi and Nestor pushed the match to a Match tie-breaker by winning the second set, which was fought fiercely for 56 minutes.
Bhupathi and Bopanna zoomed to a 9-4 lead and converted their second match point to secure a semifinal berth.
With today\'s win, Bhupathi and Bopanna now lead the head to-head record against Nestor and Mirnyi 3-2.