Engineering

Yes you are eligible
With 1.6 lacks rank you will get admission only if you are from reserved category
In 2019 cutoff rank for general category is 120k

In 2019 for B.E. FIRE ENGINEERING
general category- 120k
Obc-240k
I got admission and I will join from 1st august

Yes, you can get admission in Diploma for CS, but different institutions have varying admission policies.

Master. Environmental Technology (Fast-Track) Centennial College. Toronto, Canada. Postgraduate Diploma. Environmental Technician (Fast-Track) Centennial College. Master. Environmental Engineering. Cole de Technologies Suprieure. M.Sc. Geomatics Engineering.
The University of Calgary. Applied Bioresource Engineering (Non-Thesis) - Environment.

Yes you can ,but you need to contact with college administration as early as possible.

Admission to all degree courses (UG) is based on HSC/standard. 12 or equivalent examination, with a list of subjects and minimum % marks as specified by DTE and JEE Main examination.

1- HBTI (Kanpur)
2- IET (Lucknow)
3- Bundelkhand Institute of engineering and technology. (Jhansi)
4- Kamla Nehru Institute Of Technology (Sultanpur)
5- JSS Academy Of Technical Education (Noida)
6- Institute of engineering and Rural Technology (Allahabad)
7- AKGEC (Ghaziabad)
8- KIET (Ghaziabad)
9- Galgotia College (Gr Noida)
10- RKGIT (Ghaziabad)
11- ABES (Ghaziabad)
12- Shri Ram Murti Smarak Institutions, (Bareilly)
13- IMS (Ghaziabad)
14- IPEC (Sahibabad). .

It's quiet good, ECE graduates can also sit in CSE companies. However the overall placements of kiet is good.

You can check it by clicking here :-
https://www.shiksha.com/college-predictor.

After completing M.Tech in Mechanical Engineering, you can apply for various companies like TATA Motors, Tech Mahindra, etc. You can also apply for various government exams like UPSC, IES Indian Engineering Services ) etc.