Datawind Tablet - Naaptol — Speaker is not audible from the purchase of the mobile, unable to connect to internet from the date of purchase

Address:	5000078
Website:	naaptol - Datawind

I have purchased from Naaptol - data wind tablet in the month of December, on 12th and i have found that my phone speaker is not at all audible to me and i have even raised a complaint but no response from their side and i have even put message regarding this, and also i am unable to connect to internet even i have purchased a new GSM sim and have fully netcoverage and when i have called them iam getting unnecessary resonse not relating to the internet connectivity problem
plz do help me in this regard