FORMER Bihar Chief Ministers Lalu Prasad and Rabri Devi , their son Tejashwi Yadav, Opposition Leader in the State legislative Assembly, and several others have been summoned by a Delhi Court as accused in the Indian Railway Catering and Tourism Corporation (IRCTC) scam to appear on August 31.The case is related to alleged corruption in handing over maintenance of two hotels run by IRCTC in Ranchi and Puri to Sujata Hotels, a company owned by Vinay and Vijay Kochhar, in return for a prime land plot in Patna in 2006.On April 16, the Central Bureau of Investigation (CBI) had filed the chargesheet in the case and had said that there were enough evidence against the accused. The other accused as per the chargesheet are former union minister Prem Chand Gupta ,his wife Sarla Gupta, B K Aggarwal, then managing director of IRCTC, and then IRCTC director Rakesh Saxena. The other names in the chargesheet include then group general managers of IRCTC V K Asthana and R K Goyal, Vijay Kochhar, Vinay Kochhar, both directors of Sujata Hotels and owners of Chanakya Hotel. Meanwhile, Railway Minister Piyush Goyal had on Tuesday given his approval to prosecute a former IRCTC group manager in the case. Officials confirmed that Piyush Goyal approved his approval on Tuesday night to prosecute B K Agarwal.