Bajaj Auto — selling defect product

Address:

J.B.motors , khutikatia, Nagaon, Assam, 782002

I bought a new pulsar ns 200 on thursday 2019 but after using 3 days i have facing some problem with this bike so i toke bike to service center of bajaj they tell their was defect in carborator from manufacturer they didn't fix my problems. I am not with service of bajaj so pls fix my problems otherwise refund my all money. I buy this from j. B. Motors, nagaon, assam. Date :- 29/08/2019