Centre for Earth, Atmosphere and Weather Modification Technologies (CEA&WMT)  
  Today Bulletin
  Rainfall Maps 2009
  Forth Coming Event/Meetings
  Indian History of cloud seeding
  Initial cloud seeding experiments
  Philosophy behind Cloud Seeding
  Rain Shadow Area Development Department


  • 1951 - Tata firm over western Ghats using ground based silver iodide generators
  • 1957-1966 National Physical Laboratory (NPL) conducted experiments using ground based generators, in North India.

  • 1973-1974, 1976,and 1979-86 IITM, experiments with cloud seeding shows 24% increase in the rain fall.

  • 1983, 1984-87,1993-94 Tamil Nadu Govt carried out cloud seeding

  • 1990-2000 witnessed many advances in the airborne instrumentation, radars, flares and softwares. They got imported to India in new millennium.

  • 2003 Karnataka Govt has initiated cloud seeding with modern gradztes like radars and aircrafts Maharashtra Govt followed a month later.

  • 2003-2009 Andhrapradesh Govt has conducted cloud seeding operations perhaps the longest & biggest programme in south east Asia.