An underground outfit - the Tarai Madhesi Tigers Party surrendered arms and ammunition, and explosives to the government on Sunday. The outfit was conducting underground activities in the western Tarai for some years. The group turned in as many as 28 units of arms to the sub-committee formed under the Constitutional Political Dialogue and Consensus Committee (CPDCC) of the Constituent Assembly at the District Police Office, Rupandehi. Three improvised explosive devices like pressure cooker bombs, three sets of self-manufactured guns, five units of bullets, three sets of 'tiffin-can bombs', nine sets of 'pipe bombs' and five grenades were submitted, said Rupandehi Police Chief, DSP Rajendra Dhakal. Of the total 130 sets of weapons used by the party, 28 sets were surrendered in the first phase. Rest of the weapons would be surrendered on January 11, said Janardan Yadav, the group's dialogue coordinator. Similarly, Dialogue Committee Coordinator Ananda Prasad Dhungana said that the outfit would surrender other weapons and explosives to the government on January 11 as per the agreement reached between the sub-committee and the outfit.