Colleges in Chandigarh

No, the college doesn't matter.

It is almost same as Karnataka is also on an approach to follow CBSE. So, it won't be too different but here and there it might be a bit different. Every other thing remains same.

Starting of the online application form(except Ph.D/M.Phil/Diploma or certificate programmes): February 7, 2018.
Last date for online submission: February 28, 2018.
Registration with Rs 100 late fee: March 1-8, 2018.
Last date for M.Voc registration: March 27, 2018.
Online registration by international students: April 7 to 30, 2018.
Exam date April 28 and 29, 2018.

Yes, PU-CET is for the B.Sc courses. B.E admission is purely based on the JEE Mains rank.

Arihant publishers are good but you can choose any book all you need is that just read carefully.

Dates for PU-CET (PG) 2018 have not been announced yet by the officials. However, the exam is expected to be conducted in the second week of June 2018. The exam will be conducted for 1 hour 30 minutes.

Yes, you can do Master's in Disaster Management. The course is offered by Department of Geography, Panjab University Chandigarh. After completion of course you will be awarded the degree. The course is available through Regular Mode only. The faculties are very experienced and will have a good exposure to the technologies use RS & GIS during the 2 years.

Yes, you can apply in BCA. You can apply to businesses involved in IT and ITES segments both in the private and public sector. With your BCA certification, you'll also be eligible to apply jobs to companies and organizations engaged in other commercial segments including but not limited to banking, energy, telecommunications and engineering.
The salary for BCA freshers by company:
HCL - Rs.240,000 - 280,000
TCS - Rs.267,000 - 320,000
Cognizant - Rs.265,000 - 300,000
Aricent - Rs.290,000 - 315,000
Microsoft - Rs.300,000 - 360,000
Wipro - Rs.275,000 - 325,000

You can join any Aircraft company where you can work as technician, aircraft management because of increased air vehicles, along with the defence like airforce where you can work as air fighter pilot. You can attend any mechanical interview in your college, and if there are interested in you may get place. You can get job in ISRO, and so many.