Nagpur : Notorious criminal Roshan Sheikh, recently released on bail, has been accused of threatening a rape survivor with an acid attack and extorting money from her. His brother, Abu Faisal Sheikh, was also allegedly involved in the crime. Gittikhadan police have booked Roshan and Abu Faisal for extortion, molestation, assault, and intimidation. The 29-year-old survivor had earlier filed a rape and atrocity case against Roshan at Sadar Police Station on February 7, leading to his arrest.