As mentioned, you should really be hiring a lawyer for this experienced with excessive demand cases.But sir they have asked for a creditable plan? sir so we need to get the letter from india and then send it to canada to my dad. They want us to proof that my sisters wont burden their social service health for eccessive demand of money . They want us to proof that our working condition is good and we have enough money to fullfill my sisters requirement and not put pressure on canadas social service Thank u sir