Polytechnic

Hello Atul,
For getting admission in any college, you have to appear in CLAT exam and on that basis, you can get admission in any college.

Yes, it's a great option and also, I would suggest you to go for certification courses. Talking about government jobs, you can get a government job in their cyber security departments.

List of Top Polytechnic Colleges in India
Government Polytechnic, Mumbai
S H Jondhale Polytechnic
V.P.M.'s Polytechnic
Vivekanand Education Society's Polytechnic
Adesh Polytechnic College
Anjuman Polytechnic
Agnel Polytechnic
Chhotu Ram Polytechnic
Adhiparasakthi Polytechnic College
MEI Polytechnic
Government Polytechnic
Nanda Marga Polytechnic
Seth Jai Parkash Polytechnic
AANM & VVRSR Polytechnic
Andhra Polytechnic

Hello Bharat, I feel you should bid for admission in an engineering college after your 12th. Every state has good colleges. In addition there are some private Universities also where you can seek admission. So start preparing for CET of your state.

Following are the best options:
Acharya Pathashala Polytechnic, Baldwin Polytechnic, BSF Institute of Technology, Government Polytechnic, KIET Polytechnic, MEI Polytechnic, Rajiv Gandhi Memorial Polytechnic, Sri Jayachamarjendra Polytechnic, Sri Venkateswara Polytechnic.

Hi MS!
Yes you can pursue B.Des if you have completed your 10+2 from a recognised board of education and if you think you are good at art and designing. Most design schools conduct a general aptitude test as well as creativity aptitude test. To find the list of top 10 design school, please click on this link https://www.shiksha.com/design/fashion-design/articles/top-10-fashion-design-colleges-in-india-2016-blogId-9384

Yes, you can. Prepare yourself for JELET exam.