B.Sc

You can consider following institutes:
JD Institute
DKTE
Sardar Vallabhai Patel International School
Madras Institute of Fashion Designing

If you cannot attend regular classes then you can take admission in any of open university, i.e. IGNOU or other distance education university. In that case, you will have the option of weekend classes or classes by your choice.

Yes, you are eligible for it as you have studied computer science in your HSC.

Hi,
Mandatory Subject: Mathematics
Final year candidates can also apply on provisional basis. Admission is through counselling based on the score obtained in Central Universities Common Entrance Test (CUCET).

Kindly visit the links mentioned below:
1) https://www.shiksha.com/hospitality-travel/hotel-hospitality-management/colleges/colleges-Mumbai-all
2) https://www.shiksha.com/hospitality-travel/hotel-hospitality-management/colleges/b-sc-colleges-mumbai-all

To get admission in Banaras Hindu University you have to give ICAR.

You can consider following colleges:
University of Mumbai
MIT Art, Design and Technology University - [MITADT]
Indian Maritime University - [IMU]
Academy of Maritime Education and Training University - [AMET]
Yashwantrao Chavan Maharashtra Open University- [YCMOU]VELS University
B P Marine Academy
Sai Ram Shipping Science College

Yes, you are eligible for B.Sc in interior design. The following colleges offers this course:
1. J. D. Institute of Fashion Technology
2. Amity University
3. Pearl Academy

Hi, the eligibility criterion for admission into NMIMS through NPAT 2019 is given below:
Applicants need to have passed the 10+2 or equivalent exam with English as a compulsory subject and secure at least 50% aggregate marks in Physics, Chemistry and Mathematics together. Students appearing in the 12th standard examination are also eligible. Diplomas in engineering passing candidates are also fit to apply for NPAT 2019. The age of any candidate should not be more than 25 years in the year of the exam. Hope this helps!