Economics Eligibility

Hi, what exactly do you want to study? B.Sc Maths/Stats from DU or MS Economics from US/Germany? Your question itself is misleading and confusing, clarify first for proper guidance.

A candidate for the Indian Economic Service must have obtained a Post-Graduate degree in Economics/Applied Economics/Business Economics/Econometrics from a university incorporated by of an Act of Central or State Legislature in India or other educational institutes established by an Act Parliament, or declared to be deemed as university under section 3 of the University Grants Commission Act, 1956 or a Foreign University approved by the Central Government from time to time.
For further information, please check: http://www.upsc.gov.in/

Eligibility for M.Sc Statistics
Candidates aspiring to pursue M.Sc Statistics need to fulfil the below-mentioned eligibility criterion.
Completion of B.A. (Honors)/ B.Sc.(Honors) in Statistics or Mathematics or graduation in a related discipline from a recognized institute
Mathematics and Statistics as main subjects at the level of graduation
Minimum aggregate score of 60% at the level of graduation

Perhaps it may be difficult for you to be a PGT economics because MA in Economics is compulsory to be a PGT economics.

Economics provides wonderful career opportunities and particularly in the current scenario. It is also a field that creates a lot of inspiration and interest among the students. The liberalization and e-commerce have provided new highs to the subject. It opens the flood gates of options to you once you are done with your graduation on this subject. The selection of a career for yourself should not be done in haste or out of someone's influence. Before making a decision assess your field of interest and pursue it as there is a sea of choice lying in front of you after economics graduation.