Consumer Redressal

Dear Team, I have bought a Micromax Funbook Talk P362 Tablet (Wi-Fi, 1.65 GB) [IMEI/Serial No: 911305650408579] on 27-June-13. Now facing baterry issue and given 2nd time to kolkata service center (M/S SUN INFOSOLUTIONS 17, GANESH CHANDRA AVENUE, KOLKATA 700013 - 700013) . Find the Job sheet no. 1. E030741-0414-9273474 2. R1404FWB9318240 Still the TAB is not repaired. Third time I have collected the device and checked the problem yet not resolved. After full charging the TAB only giving 10 minutes backup. This is the third time the TAB had been repaired and also Baterry also has been replaced with chargeable basis. The battery replacement cost taken was Rs. 610. Could you please let me know Is this the process to repaire a device. I am looking for a positive reply from your side.