Motorola — power on off issues

Address:

Surat, Gujarat

My new moto g2 ( model no-xt1068, emei-[protected], DOP-08/03/2015)having a power on off issue and give it to Motorola service center on 20 april, but more than 1 month is gone still it was not repair, when call on service they respond that the part is not come, my phone is under warranty but still not resolved and from the date of purchase within 15 days its having problem so I want my money back or exchange my device with new one . kindly do the needful