The Indian national living in any part of the world can donate to the party (https://indiagreensparty.org/donation/) An individual (Indian national or Indian ethical organisation can donate up to Rs 120,00 in a year. The India law does not allow the foreigners to support an Indian political.
The details for donation purpose are as follows:
Name: India Greens Party
Bank: Central Bank of India
Current Account number: 3780951535
Branch: Local Shopping Centre, Savita Vihar, Delhi-110092.
IFS Code: CBIN0282843
IGP PAN Number: AABAI7003H