Bengaluru: Justice Abhay Shreeniwas Oka took oath as Chief Justice of Karnataka High Court here this morning.   At a ceremony held at the Glass House of Raj Bhavan in city, Governor Vajubhai Vala administered the oath to Justice Oka. CM H.D. Kumaraswamy, Deputy CM Dr.G. Parameshwar, Chief Secretary T.M. Vijay Bhaskar, DG&IGP Neelamani N….