Jharkhand

You can get it online on Websites such as Amazon, etc. Or, you can visit Shamshad market in Aligarh (In case you are in Aligarh) or you can get it couriered to your location from the nearest market.

Yes, you can fill. In every state's exam, there is some seats for outsider.

NIT, Trichy is the best option but if you want tag of IIT you can go for Dhanbad that is also a good campus. In terms of placement both are good. Many MNCs visit there and they hire those students who deserve better. But personally I suggest you to opt for IIT, Dhanbad.

It will take 4 years.

No, as you said that you are already pursuing, you don't need to give any entrance exam.

Of course, you can apply for JCECE. No matter from where you have passed your class 12th. But, when you are filling form of JCECE, you have to mention about your domicile state.

You can get some help on this link:
https://iitism.ac.in/index.php/placement#phomem.

1. Indian School of Films and Drama (ISFD),
2. Dadasaheb Phalke Acting and Film Academy
3. Jharkhand Film and Theater Academy
4. Zee Institute of Creative Art
You can find more excellent acting schools in Mumbai, Delhi etc.

Among all of these colleges, BIT Dhanbad is best for M.Tech. It is ranked among the top of the colleges in India.

In Eastern India, IEM Kolkata is best for BCA. In 2018, IEM has generated 223 offer letters for only 100 students. 23 students got 1 job offer, 31 students got 2 job offers, 14 students got 3 job offers, 12 students got 4 job offers, 6 students got 5 job offers, 3 students got 6 job offers.