Home Minister Sushilkumar Shinde said in Parliament today that Delhi Police have added sections 307 (attempt to murder) and 201 (destruction of evidence) against the accused.
The 23-year-old girl was raped and brutally assaulted by the six men in a moving bus in south Delhi.
Police had earlier charged them under sections 365 (kidnapping or abducting), 376 (2)(g) (gang rape), 377 (unnatural offences), 394 (hurting in committing robbery) and 34 (common intention) of the IPC.
Four persons have been arrested in the case so far while one was detained from Bihar.