If you require malayalam calendar (Panchangam) in your phone and does not want to download an app, we have a solution.
Our team have created a Malayalam Calendar that you can use if you have a Google email account setup in your Android Phone or iPhone.
You need to send an email to firstname.lastname@example.org with the subject ‘Calendar Subscription’.
You can follow the instructions in this dedicated micro-site https://www.obidostech.com/malayalam-calendar/
And, if you like to do this process manually, you can follow the two blog posts below: