Othman,
http://www.scottsenglish.com/ielts/
use this site, it really helps lot. follow step by step, print practice papaer, You will have good score. $89. worth for price.
Wish youu good luck
appan.
jassig,
Your mom should have an Authorisation Letter from you & your spouse to Carry all your Passports while exit/entry in India. and same thing u can say to immigration(if they ask) while u leave india.
Good Luck.
appan