Does Grand 2 Support OTG cable?
Yes it supports USB OTG !! i recommend you to buy it from snapdeal .... (Cheaper dan flipkart ) \
Can a phone that does not support OTG cable, after rooting, support OTG or a hybrid pen drive?
It doesn't work like that.Your hardware must be compatible for that.Rooting doesn't like that, rooting just gets you access to the more software permissions like changing or viewing restricted files.