I was asked to post this mission trip as they are looking for interested young adults, the below websites have all the info! IMMACULATE HEART MISSIONS - NYC - TO SERVE THE POOREST OF THE POOR
www.immaculateheartmission.org
Mission to Calcutta
December 3 - 18, 2010
This web-site from the Mother Teresa Center will give you an idea as to what the volunteers would do in Kolkata
http://www.motherteresa.org/07_family/Volunteering/v_cal.html