Donate your money instead of buying this. Review on iBall Slide

I purchase this product because of special offer on flipkart.it is about 1 year I purchased this tab.and this product spend approx 4 months in a service center.and service center working very slow(it take 15 to 20 days for changing data cable).and service center is really very bad.attendant sitting over there don't know the way of talking.i can say that she is a mother F.not lets talk about product.it has lots of unwanted apps which you can not delete.some how my tab's camera and flash light stop working.after that its battery start draining very fast and stop taking charging.i changed the charger then also not working.in the mean time of 1 year I change 4 charger.and now it is completely switched off.and the employee of service center is saying that it will cost 4500 for repairing. IMEI(S/N):911436400069138 IMEI:911436400099135