sentences:  Confederation of Indian Amateur Astronomers
  
  The Confederation of Indian Amateur Astronomers (CIAA) is a national level organisation of amateur astronomers in India that convenes a national meeting of members every year, and coordinates the activities of amateur astronomers throughout the country.It was established in 1993 and registered in 1994, following an Inter-University Centre for Astronomy and Astrophysics meeting in 1991.