The "pressure cooker bomb" which was wrapped in a blue plastic bag detonated at 3:30 pm, Singh said. [break]
Police have found two books entitled ´Parda Bhitra ko Rahasya´ written by Ram Prasad Mainali, the chief of an outfit called Nepal Defense Army (NDA), and the group´s leaflet from the blast site.
NDA, a little-known Hindu fundamentalist group, hasn´t claimed responsibility for the blast.
Mainali is currently serving a jail term at Dillibazar prison.
The same group had detonated a bomb outside the office of United Mission to Nepal, Thapathali on November 22.
Hearings of Janakpur bomb blast begins after six years