The Central Bureau of Investigation (CBI) has filed a chargesheet in the rape and murder of a trainee doctor at R.G. Kar Medical College and Hospital in Kolkata. The accused, Sanjoy Roy, was the only person arrested in connection with the crime. The CBI has also arrested five others in relation to the case, including the former principal of the hospital and a former officer-in-charge of a police station, for tampering with evidence. The agency is also investigating financial irregularities at the medical college and hospital. In the meantime, resident doctors continue their hunger strike and plan to hold a rally to demand justice and address their concerns.