Among both of the colleges mentioned above, it is better if you go with Amity University Lucknow. 

Here’s mentioning some points as to why it would be a better choice:

• Amity is known to have the most well maintained and constructed infrastructure. They have a Hi-Tech campus.
• They have updated their curriculum according to the latest trends of the industry.
• They have a highly experienced faculty.
• Here you will be competing with some of the best minds in the country.
• The placements here are up to the mark. 
• They have industry oriented teaching which enables students to familiarize with every aspect and functioning of an office.

So, therefore Amity Lucknow will definitely be a better choice than Integral University Lucknow.