The income tax department has conducted searches at the office and residential premises owned by cricketer Gautam Gambhir's family in New Delhi for alleged tax evasion.

Sleuths of the department conducted raids on Wednesday on at least five premises owned by Gambhir's family, and seized cash, jewellery, share certificates and some "incriminating" documents, IT sources said.

The IT department also conducted searched in the offices and residential premises of some builders operating in Delhi, Gurgaon, Noida and Ghaziabad.