DAMAULI: Authorities have released four jailbirds from Tanahun prison on the occasion of the promulgation of recent constitution and the festival of Vijaya Dashami. According to acting prison chief Tirthanath Khanal, Rajesh Gurung of Gorkha, Mahendra Thapa and Ram Kumar Praja of Makawanpur and Rajesh Mahato of Chitwan, who have spent 50 per cent of their prison terms, have been granted amnesty.