Kottayam : K V Viswanathan owner to Kunnathukalathil jewelry and finance group, killed himself. Viswanathan was under treatment in a private hospital, since Tuesday. It is said that,he jumped off, from 6th floor of the hospital. Viswanathan was the prime accused, in Kunnathukalathil Depositor’s Association cheating case. The case is under investigation by Crime Branch. As per the reports, its a case of 100 crores. Viswanathan with his family run away, in the initial stage of the case, later they surrendered with move of bankruptcy in Kottayam sub-court.