Hi Hridya,
Please follow the Guidelines for posting, presented at the top of the google group page.
Also, please avoid writing multiple messages regarding the same subject. It will not help you get responses faster. Like the rest of the users, please wait until someone has the time and knowledge to help you.
Finally, please avoid offering payment and other compensations. Users with knowledge on the subject of your questions will answer soon enough.
Regarding the problem you encountered, please provide a link to your code, so we could inspect it and search for possible errors. Please also describe ALL the steps you made in building your task.
Best,
Mayan