MUMBAI: The Colaba police has booked an advocate, a suspended deputy secretary in the home department and a builder for allegedly forging letters that claimed the lawyer was appointed special public prosecutor in matters related to the builder. Shekhar Jagtap, the lawyer, appeared as special prosecutor in court in several cases and tried to help Shyam Sundar Agrawal, the builder, including by arguing against bail for a rival builder, said police officials. Lawyer, home dept official, builder booked for forgery, cheating The forged letters, signed by deputy secretary Kishore Bhalerao, came to light after Sanjay Punamiya, the rival builder, filed…