New Delhi, Sept. 8 -- The Indian stock market ended Monday's trading session with mild gains, as a sharp rally in auto stocks was offset by a sell-off in IT stocks and profit-taking in consumer goods stocks. The auto sector saw strong buying as expectations built up around a demand revival following price cuts by automakers, who passed on the full benefits of the GST rate reduction to customers.

The Nifty 50 ended 0.13% higher at 24,773, while the Sensex rose 0.09% to 80,787 points. The broader markets ended mixed, with the Nifty Midcap 100 index gaining 0.50% and the Nifty Smallcap 100 rallying 0.16%.

Sector-wise, Nifty Auto emerged as the top gainer, ending 3.30% higher, followed by Nifty PSU Bank and Nifty Realty, which added 0.49% a...