A war of words has erupted between the Bhartiya Janata Party (BJP) and the Aam Aadmi Party (AAP) after Conman Sukesh Chandrashekhar wrote to Delhi Lieutenant Governor (LG) from Tihar jail, alleging that he was forced to pay Rs 10 crore protection money to AAP leader Satyendar Jain earlier when he held the portfolio of Jail.