Income Tax department today conducted multiple raids in Delhi, Mumbai and other cities in the wake of reports of alleged profiteering and subsequent tax evasion by traders by converting withdrawn currency notes in an illegal manner.<br/><br/>Officials said the operations are being carried out at least at four locations in the national capital including popular market places like Karol Bagh, Dariba Kalan and Chandni Chowk, three locations in Mumbai and few others in Chandigarh and Ludhiana.<br/><br/>Similar survey operations by I-T authorities are also understood to have been conducted in two south Indian cities. Officials added that almost over 100 tax sleuths along with police officials have been involved for the survey operations. At few places, they said, some preliminary documents have been seized.