Science

Just purely maths as a subject does not have many applications. You can of course work for a firm involved with data analysis but all that again comes back to CS and coding. I would recommend you go for teaching as a profession. Join some institute for a few years and with the experience, start your own little coaching class somewhere (Where there are not many options for students. You will be more likely to succeed if you do not have much competition).
We have a coaching class here in Jamshedpur (Prerna Classes). Vikas Tank, who started it, was from IITB CS. A considerable number of IITians have worked here as well. Then, there is Kotak, the literal hub for JEE preparation (teachers at Kotak, as I have heard, get whooping packages). Alternatively, you can start you own little website like www.khanacademy.org

Hey,
Admission process:
Central Agricultural University (CAU) offers courses to aspirants at undergraduate (UG) and postgraduate (PG) level. Programmes offered at CAU are in science stream. The university comprises of seven colleges which also includes a college of postgraduate studies.
Minimum Eligibility Criteria for UG Courses
General category students meet Central Agricultural Universitys eligibility criteria to secure admission in UG courses if they have cleared their class 12 with at least 50% aggregate marks in subjects like physics, chemistry, biology/mathematics and agriculture. For SC/ST/PH/In service category students the minimum aggregate percentage to be eligible for admission is 40%.
Age Limit: Aspirants should be 17 years of age to meet CAU eligibility criteria.
Minimum Eligibility Criteria for PG Courses
Candidates can secure admission in PG level courses if they possess a bachelors degree in science stream from a recognised college/university.
Admission Process for UG Courses
Aspirants are offered admission in UG programmes through nomination by respective states of North East Region as well as ICAR/VCI, on the basis of entrance test held by them.
Elaborating the same the official website informs: Based on the population of each constituent state, quota has been fixed for undergraduate programmes for various states and the admission is given to the candidates sponsored by the respective states based on the common entrance test conducted by them. In addition to states quota, 15% seats for undergraduate programmes are filled up by the ICAR/VCI, based on AllIndia Entrance Examination.
Admission Process for PG Courses:
The admission process for postgraduate courses is such that aspirants are shortlisted for admission basis merit in qualifying degree exam as well as nomination by ICAR.
The official website: Candidates with Bachelors degree in concerned/related subjects from a recognised university with OGPA of 6.00 out of 10.00 or equivalent percentage of marks are eligible for admission to the Masters Degree programmes. SC/ST candidates with OGPA of 5.50 in the Bachelors degree shall be eligible for the admission.
For admission in some PG courses offered at Central Agricultural University, the selection process is as mentioned below:
For further information:
https://www.shiksha.com/university/central-agricultural-university-imphal-52258/admission