Biswajit Das is a diploma holder in wealth management and goal planning specialist who provides relationship-based advising. He shares contact information including phone number and email on multiple occasions. The document discusses how an investment of Rs. 100,000 earning 7.25% return results in a net maturity of Rs. 99,519 after accounting for 30% tax and 5.18% inflation, showing that returns are not truly guaranteed once taxes and inflation are considered.