Geography

Yes, after completing your degree, you can get admission in B.A. Economics hons. First, complete your degree then apply for getting admission in your second degree. You can get admission.
Good luck.

Please check for your eligibility to pursue B.A. Economics honors from the criteria mentioned below:
Eligibility for B.A. Honours in Economics:
Candidates wishing to apply for the course need to have a Higher Secondary Certificate qualification from a recognised board with a minimum aggregate marks of 45%. The cut-off marks for application in this course varies from institute to institute. Regards.

Higher study options in Geography after B.A
Master of Arts in Geography
Master of Philosophy in Geography
Master of Science in Applied Geography: Master of Science in Geo Informatics:
Master in Geographic Information Science and Systems
Master in Remote Sensing and Geographic Information Science
Post Graduate Diploma in Geographical Cartography
Post Graduate Diploma in Remote Sensing and Geographic Information Science
There are over 26 GeoInformatics colleges in India. Please refer to the link provided below for a detailed list of these colleges. https://www.shiksha.com/science/colleges/geoinformatics-colleges-india.

Now, the answer is, yes and that's obvious because it's B.Sc. After all.

Hello Himanshu, There are plenty colleges in Delhi NCR offering normal as well as honours course of B.A. In geography. I suggest please go through information about all the colleges in attached link and then take a considered decision. Best wishes. https://www.shiksha.com/humanities-social-sciences/geography/colleges/b-a-colleges-delhi-ncr.