One more person was arrested in connection with the of sending allegedly threatening and filthy text messages to politicians,including Union Minister Shashi Tharoor. Rohit Kumar,an employee of businessman Narender Khosla who was arrested for sending the text messages,had allegedly helped his employer to make forged documents to procure SIM cards,police said. Kumar was placed under arrest yesterday. Khosla,a manpower supplier,allegedly used documents of a gym instructor Manick Verma to procure the SIM cards and sent text messages with an aim to cause trouble to the latter with whom he had a personal rivalry,police said. The businessman told the police that he had a long- standing affair with a girl and that he wanted to marry her but the marriage could not take place due to opposition from his family members.