The four orders of human society, combined with family welfare activities as they are set forth by the institution of the sanatana-dharma or varnasrama-dharma, are designed to enable the human being to attain his ultimate salvation. Therefore, the breaking of the sanatana-dharma tradition by irresponsible leaders of society brings about chaos in that society, and consequently people forget the aim of life—Visnu. Such leaders are called blind, and persons who follow such leaders are sure to be led into chaos.

presently it is time actually called Pitru paksha in the month of Bhadrapada masa ..Is perfect timing to do this Shaardha Karma. If one cannot do yearly shaardha karma for all the ancestors it could be done once for all in this auspicious month. Esp. Mahalaya amavasaya. pitru loka's one day equals one month  ...