Complex sentence: West Bengal chief minister Mamata Banerjee and the then railway minister Mukul Roy flagged it off from Cooch Behar on 12 July 2012 though this train was passed in Railway Budget 2012-13 by the then Railway Minister Dinesh Trivedi.
Split into simpler sentences: West Bengal chief minister Mamata Banerjee and the then railway minister Mukul Roy flagged it off from Cooch Behar on 12 July 2012. Though this train was passed in Railway Budget 2012-13 by the then Railway Minister Dinesh Trivedi.