Sheela Foam Pvt Ltd — sleep well mattress which inspected and confirmed about sagging by inspector but customer care said no problem

Sir i had purchased a sleepwell back support mattress model durafirm, size 78/72/4.5 and which price was rs. 21280.
My address is

Garalgacha radhaballav pad

village=garalgacha, district=hooghly
Police station=chanditala, near surobala vidyamondir
Post offfice garalgacha

Nearby railway station dankuni
Hooghly, west bengal
712708

Phone [protected]/[protected]/[protected]

I just didn't understand. Mr. Ashis gupta, who arrived yesterday, showed him that sagging was happening and the cover was too loose. And the job card where we both signed is written in the same way, but how from you replied via email i get no problem. I bought this mattress for my wife's orthopedic problem.
My complaint number 127378
As i said earlier i called 11th august [protected] with this number but still no help so i was forced to email.