This conference is aimed to flash the latest developments and possible new directions of research for halide perovskites in synthesis, photovoltaics, LEDs, photophysical and photochemical studies, theorical predictions and possible interdisciplinary applications. This is a focused conference where leading international scientist in the field and almost all Indian researchers are expected to join and take part in flash discussion. This conference will be organized by IACS, SNBNCBS and IISER Kolkata in Association with Perovskite Society of India.