Look according to me if you want to go for higher studies then right now you can opt engineering and after than you can go for Mba by this your both interest will be managed your skills of pcm will also be used in an efficient way . 

Admission will be on basis of class10th and 11th scores if you change college and if the colleges allw to do so. 

Transfer certificate and exit formalities shall beneeded to be given to college incase you like to switch to another college. 

It all depends on college rules and is

Focus well on entire syllabus and prepare thoroughly from ncertbooks witg revision over weekend . Examine all past papers and attempt 20+mocks to get good understanding and feel of mkstakes committed . Focus on weak zones and solve out all doubts.

Preparatory tips below. 

https://medicine.careers360.com/tags/neet-preparation-tips

YesNIOS Board students eligible as tgey belong to recgnised board cum University and hence can appear for CLAT even if students in 12th appearing case. 

Detailed eligibility criteria below  

https://law.careers360.com/articles/clat-eligibility-criteria

PLZZZ ANSWER ITS URGENT...

Hi Sushmita, im having a similar trouble. can u pls tell me did it work.

which tc did u use to get further admission, 12th TC or University's TC?

Practice and practice all questions papers from previous years and revise all important concepts . Also go for doubt solving and group study which is helpful. Students need to have strict timetable so they complete syllavus well before time and have ample time to relaxand revise and be calm enough

Yes students can choose to appear from both languages like English and Hindi. Based on convenience you can choose language medium. 

Students can download syllabus and paper pattern from official website below. 

http://www.bbose.org/ModQes_10_12.aspx