Kent RO — Ro kent supreme not work in proper way

Address:

C/o Dolly mitro, near bagha jatin durga mandir, indraprastha , murshidabad, west bengal

Sir
It is inform you that i have purchased kent supreme mineral RO, MODEL NO- Kr [protected] and same has installed on[protected] for domestic purpose. The machine has not been functioning since long time, I have contacted with company Technician but worked performed by him not satisfactory and in result despite change of tools of machine water filter not in order. Your Technician DULU SK come to my home but not solve the problem. His mobile no is [protected]. His behaviour is not good and he not know proper work.
In view of above it is my request to send a senior Technician or engineer to resolve the issue.
With regards
ASHUTOSH KUMAR
BERHAMPORE
WEST BENGAL.