Huma Qureshi, who usually chooses roles with gravitas, has been bitten by the item number bug. She has reportedly agreed to doing a special appearance in the Freida Pinto-starrer ‘Trishna’ and will be seen in a jazzy avatar gyrating to the number ‘Sada Vada High Maintenance’. When contacted, Ajay Dhama, one of the co-producers, confirmed the development.