Since you didn't mention your category so considering you as general category it will be very difficult for you to get into government colleges in the first round if your rank is for CGPET qualified list. But you may get seat in following colleges.
Krishna Engineering College, Bhilai - MECH,CIVIL,CSE
Vishwavidyalaya Engineering College, Lakhanpur, Ambikapur - CSE
Central Insstitute of Plastics Engineering & Technology, Raipur - Plastic Engineering
For more colleges check below link.