LAXPC instrument : Its overview and the science that can be done ASTROSAT is India’s first dedicated multi-wavelength space satellite. It observes the universe in the optical, UV and X-rays ranging from soft to hard. One of the major payloads onboard ASTROSAT is LAXPC (Large Area X-ray Proportional Counter) which is mainly devoted to X-ray timing and spectral studies of astronomical objects having energy in the range 3-80 keV. This talk will have a brief overview of the instrument and the science that can be done with it.