Micromax — Not proper working of Micromax bolt a47

Address:

Mathura, Uttar Pradesh

I purchased a phone of Micromax bolt a 47, but it shut down automatically and restart automatically, I take it to near Micromax service center but after service still it is not working properly, my phone no. Is [protected], please give a solution, my warranty is left only for 1 month, my. I belong to Mathura (u. P.)