It was also opined that the suicide note was written by a person undergoing severe depression.
According to the prisons department, investigation agencies other than NIA, customs and the Enforcement Directorate cannot interrogate Swapna directly.
Crime Branch team likely to go to Bengaluru to record his arrest.
Investigators seek court’s nod for recording statements of 16 female staff of Air India SATS, agency to submit chargesheet soon
The CCB has stated that they have seized narcotic tablets and some quantity of ganja from Alva’s residence in Hebbal during the raid.
The Special Investigation Team, led by Crime Branch IG S Sreejit, which probed the mishap, filed the chargesheet in the Paravour Judicial First class magistrate court here.
The scam came to light when ratings agency Broadcast Audience Research Council filed a complaint through Hansa Research Group, alleging that certain television channels were rigging TRP numbers.
The ED had served a notice directing him to appear before them on Tuesday in connection with his alleged links with one of the accused arrested in the drugs case by the Narcotics Control Bureau.
Five teams were formed and they raided the pubs, most of them located in the Central Business District (CBD), after 11 pm.
Police have not shared any information on the outcome of the raids.
The four arrested earlier are Kishore, choreographer Tarunraj (25), Aqueel Nausheel (28) and a woman named Aska.
It is said that the arrested persons and those who appeared for the interrogation have named more than 50 people. “
Akul Balaji, who has acted in tele-serials and a few movies, said he has received the notice.
The CCB, which is probing the drug abuse in the Kannada film industry, had issued notice to the actor-couple on Tuesday.
Sources said that Sanjana's house was raided following information revealed by other accused already in the case.