Community development association

Dear sir , we have a group of some people , regularly working 

for the development of  our community ( rajput community  ) in our locality

Udaipur , rajasthan region.

We usually , do meetings in  a month and  solve common problems  of 

the community and  takes measure for its upliftment.

we want to register as an "rajput association"  which will work in all states , as we have relations who lives  in other states.

Please guide through the procedures and  documentation.

Thanks

Arjun