French will be a big asset to find a bilingual job in service industry. Again, the french spoken in quebec & new brunswick is a bit different than spoken in France. But it does not matter. Secondly, Cantonese/mandarin is also recognised as a second language by service industry, Banks in particular.

As for French, you may be able to learn at Alliance Francaise, ahmedabad. I don't know if they are in Baroda. But Baroda's MS Uni. has a French dept.