Dear Manik,
We are thankful for your comments, also we want to change your perception about this product.
Please let us know your e-mail ID, we will send you the Demo contents of our CDs. Defenately you will find it different.
there are so many students using these CDs and they are requesting us to develop CDs on other areas of education also.

Also we want to send a free copy to you by courier at your address (if you provide), because we want to thank you for your comments given on this product.

Thanks & Regards
Team TopRank India
011-64614067