BSP leader Deepak Bhardwaj's younger son has been arrested for conspiring his murder, according to police on Tuesday.<br /><br />Bhardwaj, who was shot at point blank range at his south Delhi farmhouse in Rajokri during a morning walk on March 26, was estranged from his family.<br /><br />His wife Ramesh Kumari lives with their son Nitesh in Dwarka. The second son, Hitesh, lives in Vasant Kunj.<br /><br />Though both the sons manage Bhardwaj's various businesses, they have nothing in their name, which police suspect could have soured ties with their father.