Gurudwara Bangla Sahib is known for its welcoming spirit and largest kitchen in the country, serving free meals to 10,000 people every day. You can volunteer to help in the kitchen and serving food to the people who visit. You can also offer to help in other community service projects such as teaching underprivileged children and serving patients in the hospital. Spend a couple of hours in the Gurudwara and be a part of the selfless service they provide.
The Indira Gandhi National Centre for the Arts (IGNCA) is an autonomous institution that aims to explore the various dimensions of Indian art, culture, and heritage. You can volunteer to work with their teams on projects related to research, documentation, and conservation of cultural objects. Spend a few hours learning about India's rich heritage and seeing how you can make a difference in preserving it.
Volunteer at Street Children School that serves the underprivileged kids at no cost. You can teach the children different subjects, including English and Mathematics, mentor and guide them, and assist the teachers in various activities. The experience will enable you to understand the problems faced by street children in India and help them overcome those challenges.
Goonj is a non-governmental organization that works towards recycling used clothes into something useful, providing it to people in need. You can volunteer to sort and distribute clothes, and other essential items to underprivileged families. The experience will enable you to meet people, understand their issues, and how they're tackling them.
If you have more time, you could volunteer at animal shelters such as Friendicoes or Sanjay Gandhi Animal Care Centre. If you have less time, you could choose to volunteer at one of the places mentioned and spend more time immersing yourself in Delhi's history and culture by visiting iconic places like India Gate, Red Fort, and Qutub Minar.