Even I used my laptop for gaming for last 4 yrs or so but now I'll surely build a desktop next.Unless you absolutely do not have the space for a full system or move around a lot, build a desktop. It will have more performance for the money and generally be easier to maintain/upgrade. Decent gaming laptops are very expensive in India.
But now family is not even allowing me to sit on computer stating i do not spend time with them. And cant even play on TV as it is already hacked by family members(stupid serials).