Possibility of Sabotage in recent spate of derailments in UP is high as:
(1) incidences happening again and again only in UP and not in other states. Weather, tracks & trains in UP are same as in other north indian states with same weather/atmospheric temperature.
(2) Incidence of miscreants opening the rail fastenings ant trying to cut the rail just 1-2 days back
(3)...
more... Ensuing elections in UP
Matter needs to be enquired.