Distance

Sourabh, LPU does offer MBA through distance mode. Check the link below for details
http://www.lpude.in/programmes/frmMoreDetails.aspx?programname=Master of Business Administration [MBA]&programcode=34

Check out this link for top distance MBA Colleges:
https://www.shiksha.com/mba/articles/top-10-institutes-for-distance-correspondence-mba-blogId-6301

National Institute Of Business School is that kind of Institute who get the admission through correspondence candidates, you can pursuing mechanical engineering here through correspondence in Delhi.

You can still do MCA without maths in class 12th but your choices of universities will be limited. You are recommended to evaluate Symbiosis University for doing MCA. All the best!

Only Annamalai University and Madurai Kamraj University offer these courses in distance mode however, they cannot offer degree outside Tamil Nadu and such degree will be invalid for government job purpose.

As per the Pharmacy Council of India and All India Council for Technical Education Mandate any pharmacy courses at any level cannot be offered in distance and part time mode. So, you won't get any such colleges if someone claim such then they are fake and loot your money. You have to do it full time only.

You may opt any of the following institutes
University of Madras Institute of Distance Education
Pondicherry University, Directorate of Distance Education
Anna University, Centre fir Distance Education
All 3 are good, cost effective and reputed institutes.