Can I get admission in B tech course after passing B.SC degree course with good marks ??

Yes you can get admission in B tech course after passing B.SC degree course .. you can get admission in regular or lateral entry B tech courses..

B tech regular :
For admission in regular B tech course you have to passed 12 th grade with PCM with minimum 50% or more.

B tech lateral entry :
You must pass B.Sc (Non- medical)/ B.Sc(Computer Science) or equivalent.

For admission in B tech you must pass engineering entrance examinations :

B tech entrance exams are :
Engineering Agricultural and Medical Common Entrance Test (EAMCET), Andhra Pradesh
Common Entrance Examination (CEE), Delhi
Common Entrance Examination (CEE), Kerala
B.S. Abdur Rahman University Engineering Entrance Examination
Gujarat Engineering Entrance Exam (GUJCET)
Guru Govind Singh Indraprastha University (GGSIPU) Common Entrance Test
Punjab Technical University (PTU), Jalandhar Common Entrance Test (CET)
Indian Institute of Information Technology (IIIT) Allahabad B.Tech Entrance Exam
Aligarh Muslim University (AMU) Engineering Entrance Exam
Bihar Combined Entrance Competitive Examination (BCECE), Bihar
Pune University B.Tech Entrance Exam
Chaudhary Charan Singh University B.Tech Entrance Test
LNM Institute of Information Technology B.Tech Entrance Exam
Sikkim Manipal Institute of Technology B.Tech Entrance Exam
Karnataka Common Entrance Test
Amrita Schools of Engineering B.Tech Entrance Exam
Karunya University B.Tech Entrance Exam
KIITEE - Kalinga Institute of Industrial Technology Entrance Exam
SRM EEE - SRM Engineering Entrance Exam
Jamia Milia Islamia (JMI) Engineering Entrance Examination
Common Entrance Examination (CEE), Assam
Combined Entrance Examination (CEE), Tamil Nadu
Anna University Engineering Entrance Exam
Uttar Pradesh State Entrance Examination
Vellore Institute of Technology B.Tech Entrance Exam
Graduate Aptitude Test in Engineering
Indian Institute of Space Science and Technology IIST B.Tech Entrance Exam
IIT Joint Entrance Examination
The NERIST Entrance Examination Arunachal Pradesh
Arunachal Pradesh Engineering Entrance Exams