The correct statement is-
The people of India are friendly and welcoming.
Here, the word people is used as a plural noun in the above statement, so, we use are with it. Examples of some other sentence are-
1. There are three types of people in the world- introvert, extrovert and ambivert.
2. People of tribal areas are generally more sensitive to environmental issues.
3. Sone people are more confident than the others.