Starting January 1, 2026, car and bike prices are set to rise as top automakers, including BMW, Mercedes-Benz, Nissan, Renault, BYD, and JSW, announce hikes. 2-wheeler maker Ather Energy has increased scooter prices by Rs 3,000. Meanwhile, commercial cylinder rates may drop, and new IT return forms are expected to be introduced in January, impacting taxpayers.