India

Lateral entries are only allowed in those colleges which have a tie-up with other colleges. You can check with the admissions bureau of your institute for details regarding the same. Please refer to the link mentioned below for details regarding admissions or lateral entry into a college of your choice.
https://www.shiksha.com/university/kumaun-university-nainital-52573
Some of the top MCA colleges in India are as follows:
Top MCA Colleges in India
Pune University.
Jawaharlal Nehru University - New Delhi.
Hyderabad Central University.
National Institute of Technology (NIT), Trichy.
Birla Institute of Technology(BITS), Ranchi.
National Institute of Technology (NIT) - Surathkal.
PSG College of Technology - Coimbatore.
IIM-K (Kozhikode)
Bharathiar University - Coimbatore
MN National Institute of Technology (NIT)-Allahabad
Vellore Institute Of Technology-Vellore (Tamilnadu)
Pondicherry Central University
Banaras Hindu University - Varnasi
National Institute of Technology (NIT) Calicut

Hello Vishal,
The following are the top private colleges for mechanical engineering in India :
1) BITS Pilani
2) BITS Mesra
3) PSG college of technology, Coimbatore
4) Thapar University, patiala
5) Manipal University, Manipal
6) Veermata Jijabai Technological Institute, Mumbai
7) PES institute of technology, Bangalore
8) VIT University, vellore
9) R. V. college of engineering, Bangalore
10) JNTU, Hyderabad
11) SRM University main campus
12) SSN college of engineering, chennai
13) HBTU, kanpur
14) Osmania University, Hyderabad
15) Amrita University
The placement opportunities will be very good in the core companies in the above colleges but to get placed in a good company with a fair salary, you need to work hard and improve your skills.