An array of plastic scintillator detectors is proposed for detection of cosmic ray showers at an altitude of about 2200 meters above sea level in the Himalayas at the Centre for Astroparticle Physics & Space Sciences, Darjeeling campus of Bose Institute. Each element of this array is a 1 m × 1 m plastic scintillator detector of thickness 2 cm, coupled with WLS fibers and a PMT. During the first phase seven of these modules arranged in an hexagonal way keeping one at the centre of the hexagon will be commissioned. Four such modules have already been built and tested. As a proof of principle three of these detectors are used to detect cosmic ray shower. The preliminary results are presented.