Hello,

You can search in browser for format of sponsorship letter for NRI quota. There are many available. You can also visit the link below;-

http://sls.pdpu.ac.in/downloads/Annexure%20A%20for%20NRI%20Sponsors_1718.pdf

make sure to change content as per your details Don't submit any information which you can't prove else it will lead to rejection of your application.

Hope it helps!