In Kolkata, the police arrested the Principal and three other teachers of La Martiniere Boys' School seven months after 13-year-old student Rouvanjit Rawla ended his life. The Joint Commissioner of Crime, Damayanti Sen told AIR that they have been arrested on charges of alleged mental and physical torture of Rouvanjit which led him to commit suicide on February this year. The arrested persons will be produced in the court on Monday