Law minister Anisul Huq assured that the charge sheet on Rajon murder case would be submitted by 72 hours.The minister came up with the assurance on Wednesday while talking to journalists after attending a programme at a city hotel.He also said that there will be no legal bar to bring back main accused Kamrul Islam in the country once the charge sheet is submitted.Replying to a question over formation of special tribunal to deal child murder cases, the minister said there is no need for any special tribunal as a tribunal on women and children repression is already exists in the country.Thirteen year old boy Rajon was brutally tortured to death over a theft at Sundar Ali Market in Kumargaon area on July 8.