Sir u can choose NAGPUR, we people from chattisgarh also opt for NAGPUR because it is nearest centre available from Raipur. Bhilai, Durg, Bilaspur.
It will take 4-5 hours max for u to reach Nagpur from Bhilai and u can opt for Shivnath express.
train will depart at 11 PM from Bhilai and u will reach nagpur by 5 or 6 AM in the morning.