The BSE Auto index reached a new high of 63,011.82, driven by strong December 2025 sales reports from major automobile companies. Ashok Leyland and TVS Motor Company achieved all-time highs, while Mahindra & Mahindra (M&M) traded near its record. M&M reported a 25% year-on-year increase in total auto sales for December, with its Utility Vehicles segment growing 23% domestically. Tata Motors also saw a rise in its share price.