Kolkata (West Bengal) [India], August 22 (ANI): Former principal of RG Kar Medical College and Hospital, Sandip Ghosh, reached the Central Bureau of Investigation (CBI) office in Kolkata on Thursday morning regarding the ongoing probe into the alleged rape and murder case of a trainee doctor. Following a directive from the Calcutta High Court, the West Bengal Health Department cancelled the appointment of Prof. Sandip Ghosh as the Principal of National Medical College & Hospital. Ghosh had resigned from his position as principal of RG Kar Medical College, alleging defamation on social media fo…