Neha Sharma, known for her roles in films like 'Crook' and 'Chirutha', discusses her excitement and nervousness about her character, Niharika Singh, taking a darker turn in the third season of 'Illegal'. Streaming on JioCinema, the legal drama showcases Niharika's evolving grey side. Sharma is also debuting in the SonyLIV series '36 Days'.