Science

Yes, you can pursue a course in economics after class 12th without maths as one of your subjects. Basic Eligibility to pursue a course in Economics after class 12 is mentioned below:
The minimum criterion of eligibility needed to be met for admission to the course is a 10+2 or equivalent qualification from a recognised institute/ university with a minimum aggregate score of 50. Candidates awaiting their final examinations results are also eligible to apply on provisional basis. B.A. In Economics: Admission Process
The general procedure for admission to the course is merit-based, I. e. on the basis of the merit obtained by the candidate at the 10+2 level. A few institutes also conduct entrance exams for admission to the course. Thereafter, rounds of the personal interview may follow. Regards.

The first and basic qualification required for a Ph.D course is that you must have completed your Master's degree course. To apply for Ph.D, you can either directly apply to the professors of different universities sending them your resume, Statement of purpose and your research papers. Or you can appear for UGC NET examination and then sending your NET scores to the professors under whom you want to undergo your Ph.D course. Since, you have not yet completed your M.Sc. You might not be eligible to pursue a full time Ph.D but you can start applying if you will be able to complete your M.Sc before the start of the next academic year. Regards.

Mathura Veterinary University does not provide admission to students based on UPCATET scores. Hence, you will not be eligible to apply for admission to Mathura Veterinary University via the UPCATET. UP Combined Agriculture and Technology Entrance Test UPCATET is an entrance exam conducted to provide admission to Uttar Pradesh State domicile candidates in different UG and PG programmes offered at Chandra Shekhar Azad University of Agriculture & Technology, Kanpur; Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut; Narendra Deva University of Agriculture and Technology, Kumarganj, Faridabad; Band University of Agriculture and Technology, Band. Regards.