here are answers of your questions related to Hindu society.
Ans.1 - God Brahma. Ans.2 - Hindus are basically peace loving people, they been taught from their childhood that don't fight, forgive others. and so many things. if you want aggression in them you should chage their basic education at home. ans. 3 To take them in mainstream first we should educate them, disperse them in different colonies. As muslim youth are worship their living idol like Salman, Shahrukh, Amir and in cricket Zaheer , Irfaan to go to muslim youth and teach them about good things and take them to mainstream, they could be more effective. Ans.4 very difficult but only solution is first wash their memmories them teach them that there is no relegion. all of us are childrens of that almighty god.