Sen, down 0-3 in the opening set, came back strong to win it by a close 6-4.
In the second set he faltered at the crucial stages and dropped it with an identical score of 4-6.
In the decider, top seed Gupta took the marathon to a 5-5 before exiting the championship by a 4-6,6-4,5-7 loss. Sen will play Sharad Tak, another unseeded participant in the draw, in the final on Saturday.
In both Men's Singles 35 and 45, the top seeds sailed through to the finals, doing justice to their billing.
Former National champion, Nitten Kirrtane whitewashed 4th seeded Narendra Choudhary by 6-0,6-2 in men's singles semi-final, whereas Jagdish Tanwer got the better of third seed Hatinder Panwer by a similar score of 6-0,6-2 in the men's singles category.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
