not repair my phone in service center

mera naam pushpendra sahu mene spice mi498 25/12/2014 ko khrida tha par bo kuch din calaya uske bad mera phon garm hone laga to mene usko najdiki service center par repair karwya uske bad me apna phone uha se le ya uske baad kuch din chlne ke bad bo band ho gaya mene apna phone service center me jama kiya to mujhe 1 mah baad mera phone mila par usme koi sudhar nahi huaa mene pucha to boltye h ki out of warnty bat rahe h so help me sir mera contect no.8109460932 mera email id [email protected] mere mobile ka imei no.911401250007950 h