South Africa series is India's last chance to address shortcomings before the T20 World Cup next monthTHIRUVANANTHAPURAM: Every Indian player had a smile on his face after the Men In Blue wriggled out a comeback T20 series victory against the Australians. The series victory on Sunday was an important one for Rohit and his men after their premature exit from the Asia Cup earlier this month as it gave them the much-needed fillip going into the World T20 in three weeks' time. Now, India's preparations for the World T20 is hitting its final stretch. South Africans have replaced Australians as their rivals for their last three T20 matches before that big tournament Down Under and the two teams will square off in the first of those games at the Greenfield stadium, Thiruvananthapuram here on Wednesday night.