Lenovo — K10 Note

I have purchased Lenovo K10 Note from Flipkart on 2March 2020 and as per conditions it is under warranty for one yearThe phone stopped working as there wascharging issue I hence hadcontacted yiur Customer care and asadvised by them had given the hand set at your Kalyan service centre To my surprise the hand set was returned back to me unrepaired with explanation that it has liquid damage I do not agree with them as tge hand set was given to them to resolve charging issue They further claimed that there is damage to Mother Board Can you check and let me know how to make my handset working