Diploma

No dear, diplomas are not accepted. If you have completed 10+2 you need to meet certain requirements
1. Successfully completing the first year of a Bachelor programme from a recognized university in India in the relevant subject field or
2. Successfully clearing the IIT Joint Entrance Examination for

Dear Sau. my sincere advice when some thing problematic n confusion. better skip. prefer another institution. don't be sticky. and continuously exist under pressure. leave it . and choose the other best institution.

Yes, you can. Narrow down your college choices, check what they require, check the fees, make sure you meet admission requirements. Take the SAT if you plan to study in US. Prepare for IELTS or TOEFL, you must demonstrate English language proficiency to study abroad.
Regards

No, it is not compulsory to do computer course to get job in banking sector. All you need the Bachelor degree so that you are eligible to give Banking Exam like IBPS PO, IBPS Clerk and many. To see your dream career in banking sector than IBPS should be your first step and preparing for this is much

Debasis, if you are not interested in engineering then go for a diploma in HM followed by a degree in HM go for 12th and then join degree in HM.
HM has wide employment opportunities. Moreover, with globalisation gaining acceptance with more and more countries, the hotel management industry is truly b

You can go ahead with it. However, if you are already in final year than you can go for MBA with specialization in finance. It will give more weightage to your CV.

You are eligible for B.Tech IT lateral entry admission after Diploma in ECE in majority of colleges.