saathi haru.....yesma malai feri ekchoti information chahiyo.....I heard that we can only 20 hours per weeks when school is in session even if we get PRE-OPT...ani aba 20 hrs bhanda dherai gare...or bhanum full time( 40 Hours) kaam garyo bhane....yesh baata aafulai huna sakne affects ra immigration le garna sakne kaarbaahi haru ekchoti feri bhandinu na...yo abood baalak lai.,,,dhanyabaad..