Sandhu appeared before the ACB yesterday, investigating officer Bajrang Shekhawat said.
Sandhu, the then Additional Principal Secretary of Rajasthan's Urban Development and Housing Ministry (UDH), has been summoned again on March 29 for questioning in connection with the illegal transfer ofleasedeedof a cooperative land to a private firm in 2011.
The lease deed was issued by Jaipur Development Authority in 2011 but was cancelled in 2013 following objection from company partner Manju.
The matter was later probed by the ACB which arrested RAS officer Nishkam Diwakar, company owner Shailendra Garg and interrogated former UDH minister Shanti Dhariwal in October last year.