Micromax GC275
Getting too much heat, battery not withstanding even 8 hrs

Sir,

i have purchased the macromax mobile on 01/10, in sree mobiles Salem. my IM EI No: A10000131360710 initialy my battery no is GC2 5B04100019410, l from the date of purchase the battery becomes too hot when i used for 5 to 10 minitues due to this complaint the shop owner changed the battery no: GC2 5B04100014944 but even now i faced the problem till now. and the battery charge not withstanding even for 2 or 3 long calls.