The CBI has arrested 3 persons in connection with a Rs 220-crore scholarship scam that took place in Himachal Pradesh, officials said. The arrested accused have been identified as Arvind Rajta, the then Superintendent Grade-II, Department of Higher Education of Himachal Pradesh; Hitesh Gandhi, the Vice Chairman of a private group of institutions and S.P. Singh, the then Head Cashier, Central Bank of India.