Crompton Greaves / Cgglobal.com — water pump issue ( very low pressure)

Address:

B/91 DHARTI TENAMENT NEAR PRUSHTI PRABHA SOC., 390019

I purchased one water pump Dated :- 19.02.2019. invoice no - 8282 from darsan electrical.now this pump not perform well. (fill up water tank very low pressure it's height is only 20 feets. I booked complain and no- [protected].as per service engineer saw the practical situation and agree to my complain. but till not any decision taken by them. not resolve issue. and no any response on call. i am very suffering to this issue with my family.
i purchased this pump good brand name with good product quality. but here is very bad experience. due to local service. please do the needful this issue.