S1·E62 The Blank Letter - Part 2

As the case continues, the team is convinced that Vikas was murdered and the prime suspect is his servant. On further investigation, ACP Pradyuman comes across the blank letter that Vikas had received and is convinced that this letter could be a clue in solving his murder. Was Vikas involved in any other crime? Who was Ramesh and why was a letter addressed to him sent to Vikas?