To be reliable and trustworthy in keeping promises or fulfilling commitments
वादे का पक्का होना
English Usage: He is as good as his word and always does what he promises.
Hindi Usage: वह वचन का पक्का है और हमेशा अपने वादे पूरे करता है।
vachan ka pakka, vachankapakka, vachan ka pacca, vachan ka pakkaa, vachan ka pkka, vachan kpaka, vachaan ka pacca