B.Sc

Hello Bala,
This is a rapidly developing field. Many private businesses are exploring this field and heavily investing in it. It is safe to say that there are ample job opportunities for biotechnology graduates in private sector.
Government sector too offers job opportunities, but not in the scale in which private sector does.
Some prominent industries where biotechnology professionals may find jobs are:
1)Pharmaceuticals Industry,
2) Healthcare sector,
3) Chemical Industry and
4) Research sector.
Research sector in particular is quite lucrative. One may build a rewarding career in this field.
To thrive in this field, one must possess B.Sc. as well as M.Sc. Degree.
Average starting salary generally is between 2- 5 Lakh Rupees per year.

Hello Raman,
The following are some the colleges for B.Sc hospitality In Delhi:
1) Cradle of Management Institute
2) Banarsidas Chandiwala Institute of Hotel Management and Catering Technology
3) Dr MPS Group College of Hotel Management: Best Hotel Management College and Institute in Delhi
4)Delhi Institute of Hotel Management and Catering Technology
5)ABHI Institute of Hotel Management
6)Institute of Hotel Management, Catering and Nutrition
7)RIG Institute of Hospitality and Management
8)The Hotel School
9)Triambke Institute of Hotel Management
10)The Oberoi Centre of Learning and Development (OCLD)
11)Tedco Education
12)Institute of Hotel Management
13)Hope Institute of Hospitality Management
14)Jagannath Institute of Management Sciences
15)Skylark Institute of Travel
16)UEI global
You may also refer the link below:
https://www.shiksha.com/hospitality-travel/hotel-hospitality-management/colleges/b-sc-colleges-delhi

Following are the opportunities for Maths graduates:
(a) Higher studies to become theoretician Mathematician and the teach & do research.
(b )Work as mathematics and statistic expert in the field of economics, social sciences, physical sciences, life sciences and earth sciences
(c) Data Modeller
(d) Computer Software engineer
(e) Operational Research Analyst
(f) Gain domain expertise in BFSI, Heath care etc and become analyst
(g) Appear for Indian Economics Services or Indian Statistical Services, Civil Services examination conducted by UPSC
(h) Appear for CDS examination to join Defence services
(I) Appear for Assistant Commandant Examination to join paramilitary forces
(j) Appear for PO to join Public sector banks.
(k) Do BEd to become TGT
(l) Higher studies such as M.Sc, MBA etc