TIFR Near Infrared Imaging Camera-II (TIRCAM2) is being used at the 3.6-m Devasthal Optical Telescope (DOT) operated by Aryabhatta Research Institute of Observational Sciences (ARIES), Nainital, Uttarakhand, India. Earlier, TIRCAM2 was main port DOT on time-shared basis. It has now been installed side telescope. Side installation allows near simultaneous observations with instrument as well lon...