Venus, Kethu and Saturn are benefics in the horoscope, but Mars is a malefic. So the Kethu and Venus antardasas will be better than the earlier period from 2010 to 2014 (except for the time in the Saturn sub period). Do read my articles on this site on “Scientific Evaluation of a horoscope” and my blog http://navagrahastro.blogspot.in/ to get better insight into astrology.
Online Magazine on Vedic Astrology