Paul di Resta is poised to be named as a Force India driver for the second year in succession after an impressive debut season in 2011.
The 26-year-old Scot is expected to be confirmed by the team in the coming week, with either Adrian Sutil or Nico Hulkenberg as his team-mate.
Hulkenberg, the team's reserve driver this year, is favourite for the seat.
But fellow German Sutil, who has driven for the team since it was Midland in 2006, is still a possibility.
Sutil, 28, brings with him sponsorship funding, which is at a premium for many Formula 1 teams in the difficult economic climate.
He has also been linked with a seat at struggling Williams, although there are
intensifying rumours that former McLaren and Ferrari driver Kimi Raikkonen
will return to F1 with them next season after a two-year absence.
Force India team boss
“I had said December as a timeline but Adrian has requested to find out earlier and I respect that. We'll think about it after this race and then make a decision”
Di Resta has been widely hailed as this year's most impressive rookie.
He is 14th in the drivers' championship, three places and seven points behind Sutil, but had out-qualified him nine times in 17 races after this weekend's Indian Grand Prix.
Team boss Vijay Mallya was planning to announce the 2012 driver line-up at the end of the season but, speaking in India, he told BBC Sport that he would make the decision next week.
Mallya said: "I had said December as a timeline, but Adrian has requested to find out earlier and I respect that. We'll think about it after this race and then make a decision."
Sutil said he was confident of being in F1 next season, regardless of Force India's decision.
"I will have to see what happens," Sutil said. "It's good that he [Mallya] is trying to give us more answers earlier because you never want to wait so long.
"As soon as I know, I will let you know. There's not so much I can say right now but yes, I see myself in Formula 1 absolutely."