1. can this all above, will and gift deed challangeable.
No.
2. can my sisters make any suit on me after my mother demise.
Even if she files any suit, it will not be tenable in law.
3. my mother is alive, and i take care of her with all my best . can she do more full proof documentation if any required.
Secure the evidences for having taken carfe of your mother till her lifetime
4. shall i also make a will. if so, what language is applicable
Consult a local advocate
5. what step shall v follow to avoid any suit from my sisters as one eleder sister is ready for NOC / Requiltion Deed but middle one is not.
Dont do anything until she comes out with some litigation.
6. As of today middle sister comes with her kids or husband who announced the no relations with us after our father's death. and says some irritating words to my mother and us.
If she is creating nuisance you may warn her of legal actions for this
7. shall my mother disown the middle sister because of her behaviour.
Legally the disowing of relationship has no place in law.
8. I also the paitent of epilepsy, suffered chest effusion, and using CPAP because of sleep apnea and worried about future.
no comments
9. my eldest sister know about this.
You can rope in her as witness when it is necessary.