Sony Ericsson Service Center — Bad service and

Address:

North 24 Parganas, West Bengal

i am owner of a sonyericsson cell phone. recently my cellphone was damaged due to liquid.
it was just 1 month old.
The SONYERICSSON service center {address:- OPERA ELECTRONICS PVT LTD, 118, Elliot Road, Near mullick bazar.- tel ph=[protected]}
they told me i am not getting any warranty . i agreed with them and gave the phone for repair.
after two days they told me estimated amount of rs:1702.
as minor parts was damaged but the phone was working before submition.
when they delivered after two days....i paid and again after two days the same problem of keypad problem and speaker problem occoured and when within 15 days i re submited the phone to them and called after two weeks...they are saying that they wont b able to rectify the problem and would return the set and also complained about a second time liquid damage.
the phone is becoming more problematic as it was from the begining just before i submited the phone.
please take due steps.
thanking you.