In the written test they asked questions mainly on FUNDUMENTALS OF OPTICS as well as FUNDUMENTALS OF
PHOTONICS in written test they are asking both conceptual as well as problematic questions.

In technical for me they asked mainly on TELESCOPES, TYPES OF TELESCOPES, MICROSCOPES, DESIGNING OF
TELESCOPES & MICROSCOPES , ABOUT THE HUMAN EYE, ANALOGY OF HUMAN EYE WITH
OPTICS,ABERRATIONS , TYPES OF ABERRATIONS , HOW TO ELIMINATE ABERRATIONS , & ABOUT
INDUSTRIAL TRAINING, WORKING OF LASERS , LASER RANGE FINDERS AND BASICS OF FIBER OPTICS,
APPLICATIONS OF LASERS IN DIFFERENT FIELDS.

They are asking questions mainly on hobbies.

Read basic optics books such as " OPTICS "-HECT "MODERN OPTICAL ENGINEERING "- WARREN J SMITH".
"FUNDUMENTALS OF LASERS"-NAMBIYAR "OPTICAL WORKSHOP TECHNOLOGY"-KARROW "OPTICAL
WORKSHOP TECHNOLOGY"-HRIDAYANATH. "FUNDUMENTLS OF OPTICS"- JENKINS & WHITE "LASER
PHYSICS & APPLICATIONS"- THYAGARAJAN.

the interview is cool. mainly they are concetrating om fundumentals of the subject.