BCA

In  Manav Rachna all branch is best but some has most popular like Cyber Security, Data Science, Al and Machine learning.

• Cyber Security: This branch mainly based on protecting systems and data from cyber threats. It's a rapidly gain very attention and it is field with high demand and promising career prospects. If you enjoy problem-solving and logical thinking, this could be a good choice.
• Data Science & Big Data Analytics: This branch equips you with the skills to analyse and interpret large datasets to extract valuable insights. Data science is best choice for those students who have a strong analytical mind and enjoy working with data.
• AI & Machine Learning: This branch explores the development and application of intelligent systems and algorithms. Machine learning branch offers exciting career opportunities. If you're fascinated by artificial intelligence and its potential, this could be your ideal path.

Amity University has a strong national and international reputation. Offers a very large range of specializations within BCA , with more faculty from industry backgrounds and international collaborations.

Amity university has a strong placement record with major IT companies and an active alumni network. Generally more expensive than Manav Rachna, but offers various scholarships based on merit and need. 

Manav Rachna has a more regional focus college but is still well-respected within Delhi NCR. Provides personalized career guidance and industry exposure through collaborations with companies. Offers competitive fees with scholarship opportunities for academic excellence and various categories.

Both university are well reputed college its totally your decision which university is best choice for you.