Book already published offline by author under walnut publication. To know what happened in first part you can read it by following links

https://www.walnutpublication.com/book/9789391145743/

https://www.amazon.in/dp/9391145744/ref=cm_sw_r_wa_apa_glc_fabc_47K5A6KNHE8HJ8M1XE0Z

https://dl.flipkart.com/dl/psuit/p/itm74da2e2ac6af8?pid=9789391145743&cmpid=product.share.pp