Sony India — Sony m4 aqua replace to xperia xa

Address:

Gautam Buddh Nagar, Uttar Pradesh, 201301

Dear sir,
i bought sony m4 aquamobile on 24 feb 2016. sony m4 aqua features was water proof, 2400 mAH battery, sound is good, purchase time phone cost 20, 000 Rs. i submit sony m4 aqua phone on 13 feb 2017 ambe electronics service center noida sector 18.regarding battery issue . but company provide me xperia xa in place of sony m4 aqua.
but that feature sony m4 aqua have not seen in xperia xa . like water proof, 2400mAH battery, sound quality is very poor, phone cost is not match. and again battery issue.
so i dont want to take xperia xa in place of m4 aqua.
i request company repaired my old phone sony m4 aqua.
my jobsheet no. W[protected]
Mob. [protected] /[protected]@gmail.com