Ketan Agarwal, 25, was allegedly murdered at Lohagad Fort near Pune on June 18NEW DELHI: The father of Pune realtor Ketan Agarwal has written an emotional letter to President Droupadi Murmu, urging her to ensure a fast-tracked investigation and speedy justice, saying his family has been "shattered" by the loss of both his son and father within 20 days.In an email addressed to the President's secretary, Vishal Agarwal appealed for the case to be heard in a fast-track court, stressing that the family was not seeking special treatment but only timely justice. He also urged that the accused receive the strictest punishment under the law, warning that delays only deepen the suffering of grieving families."I am writing this email with a heart full of pain and hope. I am not writing as a business