The Central Crime Branch of Bengaluru police conducted a raid on the house of Aditya Alva, son of former Minister late Jeevaraj Alva relating to the drug case.<br />'' <br />'' In a statement, the Crime Branch has said that a search warrant was obtained to conduct searches at the House of Aditya Alva. The Crime Branch has till now arrested film actress Ragini Dwivedi and Sanjjanna Gulrani, party organiser Viren Khanna, realtor Rahul and an RTO clerk B K Ravishankar in the drug case.<br />''<br />'' Their names had cropped up after the Narcotics Control Bureau had arrested three drug peddlers who had spilled the beans on those to whom they allegedly supplied the drugs.<br />''