The Surface Instruments Division was conceived and established at Pune after India became an independent country. The surface meteorological and upper air radiosonde instruments are manufactured at the Instruments Division. All surface meteorological instruments are manufactured at a well equipped and self sufficient workshop maintained by the division. All manufactured instruments are checked, tested and calibrated in the various laboratories. The laboratories also carry out research in instrumentation and bring out new designs in them. The Division maintains detail instruction manuals and engineering drawings on all instruments. The division maintains network of AWS, radiation observatories, Airport met. instruments, Ozonesonde etc. These activities have contributed in India being designated as the Regional Training Center for instruments by the World Meteorological Organization. The Division is headed by the Deputy Director General of Meteorology (Surface Instruments)