Madurai Kamaraj University - MKU

Hi Priyankshu,
Yes, the Madurai Kamaraj University does offer a bachelor degree in Commerce. It is a full time course of 3 years and is available in two languages: Tamil and English. The admission in this program is merit based, depending on the marks you obtained in class 12th.

Yes, you can join lateral entry in BCA in Directorate of Distance Education, Madurai Kamaraj University . Check out the detailed eligibility and other details below:
https://www.shiksha.com/it-software/course/b-c-a-lateral-entry-direct-2nd-year-directorate-of-distance-education-madurai-kamaraj-university-287511

Log on the website of concerned university. Regards. https://www.mkudde.org/download/course/ma_economics_1.pdf

Yes, it is recognised, go ahead.
Find fake universities list from the UGC website.

Hello,
Madurai Kamaraj University is located in Madurai. It's a govt university. But unfortunately, I could not find information about the medium of instructions for courses. However, I am attaching a link that will give you all the required information about this issue.
http://blog.imtsinstitute.com/madurai-kamaraj-university-distance-education-5674/

Diploma in Astronomy and AstroPhysics is a full time course from Directorate of Distance Education, Madurai Kamaraj University. Please use the link provided below for details regarding course eligibility, admission criteria, fee structures, accreditation, affiliations etc.
https://www.shiksha.com/science/course/diploma-in-astronomy-and-astrophysics-directorate-of-distance-education-madurai-kamaraj-university-289473