Cummins India is trading 14.65% down at ₹4,033.30 after its September-quarter results missed analyst estimates. - Standalone revenue rose 4.1% year over year, while EBITDA fell 27.13% and profit after tax declined 26.69%. - EBITDA margin contracted to 15.36%. - The company attributed margin pressure to commodity-cost inflation, higher freight costs and product mix.