Bajaj Electricals — Defect in ceiling fan due to improper testing

Purchased Bajaj 1200 mm ceiling fan ( high speed) on 18th May 2021 from near by dealer but unfortunately after installation in same day, air delivery was nill and then sent video to dealer and next day(19th May) packed it to replace it from dealer but dealer refused to replace and said to contact the customer support .Don't know what service they are providing as last consumer is facing problem due to improper testing and defect.