how to i get my bookmarks question? plz reply

If you are using the app, you could scroll down and ull be able to see the bookmarks option at the bottom.

By mistake I have entered wrong gmail Id at the time of creating my account. I want to change my gmail Id. My Name - Kuldeep Singh Contact No - 9530218140 Wrong gmail Id -kuleepsingh7101992@gmail.com Gmail Id which I want - kuldeepsingh7101992@gmail.com

No, you can't. There is no option for changing email id in their website. You can create a new account with the desired email id.