Jailed ex-chief minister of Jharkhand and a Member of the Lok Sabha, Madhu Koda has been shifted back to local Birsa Munda Central Jail.Mr. Koda was in a premier government hospital in Ranchi since 31st October.His two others aides, former cabinet colleague Bhanu Pratap Sahi and his alleged aide Vijay Joshi, were also discharged from Rajendra Institute of Medical Sciences (RIIMS) last night, had been sent to the jail.Mr. Koda and Kamlesh Singh were arrested on November 30, 2009, while ex-health minister Bhanu Pratap Sahi surrendered before a special CBI court in connection with a medicine scam this year.