Visited the store in the morning. Had a nice talk with the manager. They considered my request. Either it will be serviced with a new display in a weeks time or it will be replaced with a new one for sure. Alhamdulillah...

Dear QLers... Thanks again for your valuable comments and shares.

About my tab:

It was a nextbook premium 8 SE tab with the below features:

8.0" Multicolor Capacitive Touch screen
1024*768 pixels, 4:3 Display, 1080p
AML-MX A9 Cortex 1.5Ghz Processor (core2)
DDR3 1GB
Android OS 4.0 Ice Cream Sandwich
Easy Connect Wi-Fi 802.11 b/g/n
8GB memory + expandable slot

The verdicts of the tab I found is,
Only front camera. No back side camera
No anti reflective display