My grand mother ,not looking after by there childrens

File a complaint under section 125 CrPC before area Magistrate for her maintenance through a local prudent lawyer.

Your grand mother has to file petition under the provisions of The Maintenance And WElfare Of Parents And Senior Citizen Act 2007 before SDO for getting maintenance and residence.

Your grand mother is interested or willing to stay with children's or not ,who is paying for ashram ,it is free ashram for old aged  ,any children is ready to accept her to stay with them  verify and proceed.

She can claim maintenance and residence only court cannot force children to take her to their home if they refuse ,try your best to solve .

Did you discuss all problem(s) and issue(s) with her children ?

What is their response, if already discussed ?

Lok Adalat or any other form of helping the old and infirm lady, she will have to move to appropriate Court / Tribunal / Authority, if her children do not accept her to stay with them.