We have worked with Bachelors or Masters student who want to learn/teach/create knowledge on water, sanitation, waste management, hygiene behaviour or engagement at multi-levels (e.g. public policy). See http://www.cencireco.org/ Our internships are online. We do not have a physical office. And we are doing just fine!
Remember – we prefer to work with academic institutes rather than with individual students. So, talk with your college or university mentors first and see if you can get a reference and then write to us – fintrust.india@gmail.com