Sir pls give me guntur service centere contact no my mobile scree is damaged.my no is 7981647426

I have purchased oppo f 19 s from Sangeetha mobiles ,brodipet 4 /9 line ,guntur on 01/03/2022 , unfortunatelly
Voice not clear while attending calls.

Kindy guide me in how many days I can replace the mobile as I am staying away from Guntur.