a renowned sikh pracharak sant maskeen g how good he is to listen to obtain knowledge he is very popular and considered a very pure soul

Giani Sant Singh Maskeen was and continues to be a famous parchark among Sikhs and you can listen to him. However, Guru Granth Sahib teaches spirituality and there is no place for Hindu mythology, which has been used by Guru Sahiban to give examples and nothing else. To understand the spiritual principles, please click on this link and read this book:

https://acrobat.adobe.com/id/urn:aaid:sc:AP:7b23450f-ffab-4797-b03b-e7ed5165c741

This will make Gurmat more clear to you. If you have any further questions, please do ask.