Datawind Calling Tablet — Tablet not working

Address:	623707
Website:	www.datawind.com

My name is k kathiresan m. I have purchased a datawind calling tablet worth rupees 3398 through naapto l(ORDER ID[protected]. The product was delivered to me 25 th february 2016 around 7 p.m. I unpacked it 26th february. Initially I did not notice but after that I found a white spot is present in the down left side of the screen and it is more visible when the background is white. Beside that, the screen light is vibrating and the light is not fixed. From that time I have been trying to contact datawind. First, I went to the website and give missed call in [protected] according to instruction. but there.