Correct Answer : Option (A) - Aries-Devasthal Faint Object Spectrograph & Camera
Note :
ADFOSC or Aries-Devasthal Faint Object Spectrograph & Camera is a low-cost optical spectroscope that was designed and developed by the scientists of ARIES, Nainital.
This spectroscope will help the Devasthal Optical telescope use event faint light to locate distant quasars, galaxies, etc.
