Yes, after a diploma in Computer Science and Engineering (CSE), you can further your education in several fields. If you want to continue in the same domain, you can choose a Bachelor's degree in CSE or other related fields such as Information Technology, Software Engineering, or Artificial Intelligence. Most of the universities and colleges have lateral entry programs wherein the diploma holder can join the second year of a B.Tech or B.E. degree. This is your chance to dive deeper and understand the subject matter in much greater detail so that you may delve into the advanced topics of machine learning, cybersecurity, or data science.
Besides, you can explore MBA if you really want to take up other things. You are likely to receive a technical foundation for tech management roles in organizations. You might also go for higher study in Data Science, Robotics, or even AI. There is a wide choice of post-graduate programs. In short, after completing a diploma in CSE, you have multiple avenues for further education, which can open new career opportunities and increase your expertise in emerging technologies.