Dell India — Got a faulty piece in replacement of my new product which also had a motherboard problem after 2 days of buying

Address:	Thane, Maharashtra, 400606
Website:	www.consumercomplaints.in/new_complaint

Sir i had purchased my laptop in may 2016 service tag no.H620K72 and after 2 days o[censored]sage it had motherboard problem as told to me by dell customer care, the laptop was not starting even after pressing the power key. So i opt for product replacement and they provided me the faulty piece that too after 25 days in product replacement and has the problem of wifi. The service tag no. Of the new product they provided me in replacement is DQTDFC2. Sir i need a new fresh product not a faulty product. Sir pls help