Open Day was celebrated on September 27, 2015, the Foundation Day of IISER Mohali. The program was organized by IISER Mohali students for the school students of the region and was co-ordinated by Dr. N. G. Prasad and Dr. Vinayak Sinha on behalf of the Institute Outreach Committee. More than 200 school children from 18 schools in the tricity region and places as distant as Yamunanagar participated in the program. The Institute declared an Open Day to provide an opportunity for city residents and school students alike to visit the institute research facilities and interact with IISER Mohali faculty and students. A variety of events were held including science quizzes, group discussions and a treasure hunt. In addition, several non-competitive events such as science and maths demonstrations, documentary screening, superstition busting chemical demonstrations and poster presentations were also organized for the visitors. In the evening, prize winning school students were awarded prizes by the Chief Guest of the Foundation Day, Professor M. M. Sharma in the institute auditorium.