B.Sc Maths

Yes. You are eligible to pursue B.Sc in Mathematics as you had Mathematics in Senior Secondary.

With this much percentage, you are not eligible for BSC mathematics in Delhi University. You require at least 75 to 80% in 12th.

There are many courses available. So, choose according to your interest. You can go for MBA, air defense, etc.

There are jobs available in various other sectors for the graduates of B.Sc. Mathematics. These sectors are given below-
Software
Insurance
Market research
Banking sector
There are also jobs available for these graduates in government sector. Various exams are conducted by UPSC every year for recruiting these graduates to several posts. Some of those exams are given below
Tax Assistant exam
Statistical Investigator exam
Grade III & Compiler Exam
Combined Graduate Level Exam
Most popular career option after B.Sc. Mathematics is teaching. There are plenty of colleges available in India which provides various courses in Mathematics.

Best universities for B.Sc. Maths are DU, Allahabad University, JNU, BHU, Lucknow University, etc.

Hello there,
Both are carrying good scope in their respective field. Its up to you what you like more engineering or B.Sc Maths. Engineering is creative application of Science maths, innovations design, construction operation of machines, etc. And B.Sc. Maths is a undergraduate programme related to maths and its applications. After B.Sc, you can go for software, insurance, market research banking sector etc., and for government sector, you can opt out Tax assistant, statistical investigator, IES, teacher, etc.
Regards.

You can pursue B.Sc. Maths from IGNOU. Visit IGNOUs official website and find your local study center.