Hello candidate.As you mentioned that your rank is 74k under SC category,it is difficult to get admission in government engineering colleges.Yes,you can get admission in above mentioned colleges. As per last year cutoff ranks you can get

1.Civil,ECE, Information Technology,Machanical Engineering in Mallareddy engineering college.

2.Civil,ECE, Machanical Engineering in CMR college of Engineering.

3.Mechanical Engineering in BVRIT college.

4.Civil,CSE,ECE,EEE,Mechanical Engineering in IARE.