One of my friends studied at Amity Business School Noida. According to her, it is good because of its infrastructure, placements, faculty, and all the modern facilities.

Amity University runs three different B-schools - Amity Business School (ABS), Amity International Business School (AIBS), and Amity Global Business School (AGBS). 

The first two schools run from its main Amity University campus in Noida, Gautam Budh Nagar, UP. AGBS has many branches throughout the country including one on the Noida campus. 

Amity Business School, Noida has published its placement records for the academic year 2019-20 according to which –

During the duration of the course, you will get to improve your overall personality, language skills (both written and spoken) along with other soft skills to take long strides in your corporate career ahead. Of course, it cannot be compared with the higher-ranked government B-schools, but it is surely a good mid-tier private B-school.