Coolpad India — complaining about service centre

Sir,
Serial number [protected]
Imei no [protected]
Product model[protected]
Coolpad note 5 royal gold 32 gb
Above said phone has given to the service centre to rectify the battery defect on 5 april to real value it services, first floor, smart centre, thrissur, kerala - 680 021 ([protected]@gmail.com, [protected]/ [protected]). Till now, i have not yet received any satisfactory response and when i contacted twice, i got quiet irresponsible reply and information from the service centre. Here i request to make necessary steps to rectify and repair the defect and return the phone with any delay.
Thanking you.
Justin vadakkayil
Mary matha schoenstatt bhavan, aloor
Thrissur, kerala 680683
[protected]@yahoo.co.in