Sony India — my mobile touch screen issue

Address:

403703

My sony handset of XA1 which I had perches from Belgaum karnataka state shop ( Sachin Communicatio) in the month of May2017, After that last 2-3 days I am facing problem with touch screen which is not operated properly of key pad touch this handset is having with under warranty period till 12th May-18. Sony is one of the best company for mobile sector in world but the kind of service and injustice with me is very sad.
So i have submitted the handset with all details of bill to your Goa Margoa service center but for repairing they are saying that it will take one month for repair work for the same in this case how i can take the risk for warranty also
In this case they are not providing any spare handset to me for daily routine communication with day to day.

Kindly help me out regarding the same which I shall be get this handset early so that my regular work will not hamper because of this handset also I am not in such a condition to parches another mobile phone.