Guwahati, Aug. 4 :    Guwahati, Aug. 4:  Mondays and Tuesdays seem more susceptible to train mishaps in the region, with Mondays registering the highest casualty figures. Of the six major train mishaps in the region since 1996, three each have occurred on Mondays and Tuesdays. The first accident on a Monday took place on December 30, 1996, when a blast ripped through two coaches of the 4055-Down Brahmaputra Mail at 7.10 pm at Sesapani near Kokrajhar, killing 33 persons, including 11 children. Forty-nine persons were injured, 26 of them seriously. The Bodo Liberation Tigers claimed responsibility for the blast. The second incident on a Monday took place at 7 pm on April 26, this year when the Guwahati-bound Kanchenjunga Express from Sealdah met with an accident between Aluabari Road and Mangoorjung. Three persons died on the spot and five were injured. The third accident on a Monday was at Gaisal when the Guwahati-bound Avadh-Assam Express collided head-on with the New Delhi-bound Brahmaputra Mail. The first accident on a Tuesday during this period took place at the Guwahati railway station on August 8 last year when a bomb planted by the United Liberation Front of Asom ripped apart a portion of platforms six and seven. Two persons were killed and 19 injured in the blast which took place at 7 pm. The next accident on a Tuesday took place on May 18 this year when 10 coaches of the 4056-Up Brahmaputra Mail from New Delhi derailed between Altagram and Dhupguri stations in the New Jalpaiguri-New Bongaigaon section. Two persons were killed and 27 injured. June 22 was the third dark Tuesday for the railways. A blast on platforms two and three at new jalpaiguri station at 12.10 pm left eight persons dead and 57 injured. The blast was suspected to have been engineered by Pakistan?s Inter-Services Intelligence to prevent the movement of troops from the Northeast to the Kargil sector. The Brahmaputra Mail was involved in three of the six mishaps ? on December 30, 1996, May 18 and August 2 this year. These accidents claimed 310 lives and left 476 injured. The Brahmaputra Mail was also involved in the blast triggered by the National Socialist Council of Nagaland (Isak-Muivah) in February, 1995 near Diphu inside a compartment mostly occupied by Army and paramilitary personnel. Twenty-five people died in the mishap.