The courses offered to computer science students in M.Tech and PhD programs can vary depending on the specific focus areas of the institution offering in the programs.

Here are some common courses:

• M.Tech in Computer science:

1. AAdvanced algorithms
2. Operating systems
3. Computer Networks
4. Database systems
5. Software engineering
6. Artificial intelligence
7. Machine Learning
8. Cloud computing
9. IOT
10. Cryptography and Network security.

PhD programs are typically research oriented, so it is more based on your research interests. Here are some foundational and Advanced courses:

• PhD in computer science:

1. Research methodology
2. Advanced topics in algorithms
3. Advanced topics in Machine learning
4. Advanced topics in Artificial intelligence
5. Advanced topics in Database systems
6. Advanced topics in computer networks
7. Elective courses in specialized areas