The second-seeded Ramkumar and David rallied to defeat Portugal's Joao Domingues and Spain's Jose Anton Salazar Martin 5-7 6-3 10-4 in the summit clash, according to a release from the Tamil Nadu Tennis Association.
Ramkumar has also made the singles final in which he will take on Marc Giner of Spain.
Ramkumar will be playing two more Futures in Spain before returning to India at the end of the month.