Nokia India — defective handset

I have lodged complaint on 11.10.2017 id 1734651 that i purchased nokia 3 handset on 14.08.2017. Imei no [protected] handset remain blackout for the whole day, software was updated by nokia service centre (Ajmer tower) ajmer on 23.09.2017. Yet this handset remain black out twice in these two weeks and restart after some time. This condition of handset put me in trouble, my office work suffers & it gives mental tension. Kindly arrange to replace my handset, so that work can go on in easyway.

Complaint updated on 12.10.2017
As per talk with mr. Deepak on mobile [protected] for refund rs9700/- my husband mr mukul kapoor, s a/c no.
[protected] sbi adarsh nagar, ajmer[protected] ifsc sbin0012901
No response received from your side, handset can be replaced or amount can be returned, choice is yours, otherwise i have to go consumer court. I'm facing this type of problems regularly