Late Saturday evening, chairman and MD of Super Cassettes Industries ( T-Series ) Bhushan Kumar was grilled at his office in Delhi-NCR by senior Income Tax officials on alleged evasion of huge tax and siphoning off hundreds of crores to foreign countries to purchase properties in the names of his employees.During the two-day-long I-T searches, which began early Thursday morning at 30 premises of the Super Cassettes group and its owners in Delhi, Mumbai, Faridabad and Noida, officials sealed 25 bank lockers and recovered details of several foreign bank accounts and assets allegedly acquired by its chairman and MD in the name of his employees, a top source said.While investigation is still in progress, sources claimed they have traced significant investments for acquisition of properties in the US and and Burj Khalifa, Dubai, among other places. Documents of several benami properties in India have also been recovered along with evidence of inflated expenditure booked through bogus billings.Officials of the I-T units in Delhi and Mumbai have seized bundles of documents and other electronic devices revealing details of hundreds of crores of tax evaded unaccounted income (black money) shipped out of India through benami entities in tax havens, a source said. Bhushan Kumar’s interrogation started late Saturday, soon after some employees were questioned about their involvement in benami transactions as properties were found invested in their name, both in India and abroad. “Employees have recorded statement with the I-T officials stating they had nothing to do with the properties and those were investments made by Kumar,” the source said.The inventory of properties, identified by I-T authorities, is still being prepared. More details on tax evasion would emerge later after all seized documents are examined, said a senior officer. Bhushan Kumar has built a huge empire in the entertainment industry and has been behind successful ventures as producer of blockbuster movies.