who is writer vasihat book

Hi Puneet, This query is more related to a particular religion and such questions cannot be asked on an education portal like Shiksha, which deals in providing information related to various courses and institutes around the globe. Kindly revert for any further queries, also if you liked this answ

You can type this query in google u will get answer. This not right spot to put these kind of question. This is pure career guidance portal.