You can check the following courses:

Understanding Research Methods - Coursera

https://www.coursera.org/learn/research-methods

https://www.coursera.org/courses?query=research%20methods

Introduction to Social Research Methods - EdEx

https://www.edx.org/course/introduction-social-research-methods-edinburghx-socrmx

There is also one good course by Alexis Foundation, called Certificate Course on Research Methodology, which is available at https://www.ccrm.in/

You can take up doctoral seminars from MIT, USA. Browse following link:

https://ocw.mit.edu/courses/sloan-school-of-management/15-347-doctoral-seminar-in-research-methods-i-fall-2004/

For UGC accreditation, you can check out UGC regulation for online education. https://www.ugc.ac.in/pdfnews/7553683_Online-Courses-or-ProgrammesRegulations_2018.pdf

Hope this is helpful.

All the best,

Apurvakumar

You should also check NPTEL website. They have some very good courses on research methodology(mostly quantitative methods):

https://nptel.ac.in/

Thanks for answering.

Interesting topic. Check also courses delivered by Linkedin, they are very didactic.

https://www.linkedin.com/learning/marketing-foundations-market-research/qualitative-research-methods

All the best

Thanks Maira Joly a Joly

You may refer the following link and can get in details as per your research interest.

https://ocw.mit.edu/search/ocwsearch.htm?q=research%20methodology

Thanks you🙏@sandipAKale

Nptel