Lenovo — Regarding laptop

Address:

Akola, Maharashtra, 444003

Dear Sir, I purchased my laptop from Lenovo with great hopes and quality. but from the day of purchase i am facing problem in product. first I complaint at chromo store from where i purchased, they suggested me to update driver, i updated driver but no solution, then the referred me to lenovo call center where they had communicated to me but still there was no solution after that they referred me local service center, they took my laptop for identification of problem, finally they identified problem, but they are denying for services. and became very rude. what should I do, I am Doctor and scientist. my work is hampered also it is causing mental torture to me since last 6 month.