Complex sentence: Bhagalpur railway line will serve as second alternative option for railway traffic to Howrah and Bhagalpur and will decrease distance between Bhagalpur and Howrah by nearly 70 kilometers.
Split into simpler sentences: Bhagalpur railway line will serve as second alternative option for railway traffic to Howrah and Bhagalpur. It will decrease distance between Bhagalpur and Howrah by nearly 70 kilometers.