because,
indians don't have stable govts from 1947 , dictators have looted india , indians are poor, uneducated ,jobless , passport is no .one from bottom, indians are expelled enmass from other countries for charges of terrorism, in many countries they don't get visa , india is begging for money from IMF bailout , indian economy has only one month's foreign reserve. india was humiliated and lost bangladesh in 1971 , 92000 shameless indians were in pakistani jails , indian army infiltrated in kargil like thieves but don't accept it. left their soldiers bodies in battle field never took back . after effect of such humiliations results naturally in shamelessness.
this is why indians are shameless