You should not feel guilty that you feel the way you do. Your friend in India is living their own life. It is wonderful you want to help them.

You can provide resources but it is up to them to choose to reach out to them.
International suicide hotline & Resources: suicide.org/international-suicide-hotlines.html

Psych Central is not a site where people are trained as in a suicide crisis center. The above links are examples of people trained to deal with such crises. Hope they are some help to you and your friend.