Maruti Suzuki shares gain 0.75% on bets a steep depreciation in the yen will boost earnings by reducing the costs of imports from Japan.
Since hitting a low of 1.3838 on July 25, the INR/JPY has risen to the current level of 1.5314.
Traders also cite a report in a business newspaper that Maruti Suzuki is looking to enter the small pick-up truck segment.
A spokesman for Maruti Suzuki declines to comment on the company's future product plans when contacted by Reuters.
