There is no universal standard. You will likely encounter one of two systems:
(Repeat for second stanza)
This is considered the Bible of Hindustani Classical music. It is a multi-volume series containing notation (Swaralipi) for various Ragas. Students learning in the Bhatkhande system.
: The parent scale (e.g., Bilaval, Bhairavi, Todi) from which the raga is derived [10]. 3. Integrated Practice Aids