As LPU alumni i would recommend LPU.

LPU is much better than any other University. It is a UGC recognized and a renowned University and is considered as one among top 5 universities of the country because of its quality education and unbeatable placements, immense on course exposures and a beautiful 600 acres campus to live in with latest facilities.

Before searching for any University, You should compare universities on various parameters like academics, Industrial exposure, placements, infrastructure, On-Campus Facilities & Amenities, Student Activities etc. So, choose the program and the University to join very wisely.

LPU has AA+ Infrastructure including shopping malls, refreshment centers, the Largest Private University Accommodation in the world, 13000 + CC cameras, indoor transportation system, University Management System, etc.

With Quality of Education, Placements in LPU is also amazing, with the top brand in the world coming for Campus Recruitment provides great opportunities to its students and because of its #ThinkBig concept and various innovations in curriculum, the university is standing tall and proud with various other very old and renowned institutions in terms of rankings and accreditations.

AMity is a good university.

LPU adopts new technologies faster than anyone, they update their curriculum even after each semester by taking feedback from the students and also to meet the latest standards. LPU focuses on practical knowledge a lot, they have high tech labs and dedicated MAC lab for iOS development, each core subject has a different practical subject for it. They give you very good amount of training before you go into campus placements.

Try not to miss those classes they will help you in getting better placements after all, all we need is a decent place with good exposure. Certifications from industries, Hackathons and workshops, Guest lectures, Regular educational trips, Real life live projects, Community projects etc. All are essential and integral part of the curriculum. Besides core curricula you'll also get subjects like communication, verbal, analytical skills and soft skills to improve personality and employability and be more productive.

Also in today generation knowledge and education is not only based on textbooks but also on the outside world, thinking out of the box and overall learning that's why LPU offers their students to participate in lot of activities and events, the environment of LPU is very good and the academics tasks of LPU are so well planned that even in a course like Engineering you'll be able to manage time for exploring other things. You'll get many opportunities like coding events, hackathons and a lot more in LPU so that you can improve your skills, You will be able to achieve various certifications, which will help you in getting better placements. Talking about Placements :

Placements at LPU have always been good, LPU has set the bar very high due to its record breaking placements. Students of LPU get one of the best pay packages, in all the disciplines. LPU has become a go to destination for companies to hire quality students.

JSS is anyday better than Amity

Most of the reasons have been answered by folks here I would like to Add to it.

1. GBTU (Earlier UPTU) is one of the most reputed Technical Universities in India.
2. JSS is the Topmost Private College in UP affiliated to GBTU.
3. JSS has STEP (Science and Technology Entrepreneur Park)
   
4. AMITY is a deemed university where Same Faculty takes lecture, prepares examination papers and checks them, so by far JSS or any college in UPTU is better in terms of academics than Amity.
5. If you are a Rich Guy and want to enjoy life as in Bollywood Engineering Colleges - Opt for AMITY. :)