who wrote book vasihat

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 answer

Your question is incomplete Puneet. I think you have continued form some previous question but have put it separately. Please re-format your question and in a complete manner. Which book are you talking about !