In world, it is increasing but in India, it's decreasing

It would help to answer this question with DATA rather than subjectivistic responses. The IMF holds data on workforce participation by country over time, and you may find additional data sources at the following link:

https://datasetsearch.research.google.com/

Thank you Romy Tuli and Chris Kelly

Present Statistical systems do not capture.

I agree with Chris Kelly and you can also find some information at the below links:

https://data.worldbank.org/indicator/SL.TLF.CACT.FE.ZS

https://www.ilo.org/ilostatcp/CPDesktop/?list=true&lang=en&country=GBR (you can choose the country)