Who is Sandip Ghosh, the arrested ex-principal of RG Kar Medical College? Here's a look at his educational qualification and career trajectory / Kolkata horror: RG Kar evidence 'falsified' at Tala police station, CBI claims in court / Kolkata horror: RG Kar evidence 'falsified' at police station, CBI claims in court / Kolkata cops delayed seizing clothes of RG Kar accused Sanjay Roy which could have resulted in strong evidence: CBI / Should Ex RG Kar principal Sandip Ghosh's medical registration be cancelled? Here's what WBMC rules say