Question

how self help groups help people

Answer 1

SHG's are the small groups  in which the members save some money apart from there daily income or monthly income . The minimum deposit is ₹10 onwards .
People who are in need in money in the group , can take some loans from the group and have to pay a reasonable interests on the loans they are taken.

So , in this way SHG's help people.

Answer 2

They protect the people whose rights are being violated