[Resolved]  Spice Mobiles — Mobile not start when hand set auto off

My mobile hand set model is SPICE MI-511. My mobile under warranty period.We found when my hand set auto off, they are not on and not charged without boosting of hand set. So we go spice service center for this problem .Service center advice me hand set battery is very poor, so battery changed by service center after 20 days. after changing the battery above problem no resolved, so we again go to service center for this problem and hand set submitted for repair on 07.11.2015. My service request no. is 24101629FB0066 . When we contact customer care service center for knowing when hand set repair, customer care service center told me next week your mobile delivered but next week customer care service center again told me your mobile delivered but next week. On 04.12.2015 mobile not received me .