South Zone stormed into the final of the Deodhar Trophy after Sai Sudharsan's unbeaten 132 set up a commanding seven-win over Central Zone on Tuesday. South Zone will now take on East Zone in the final to be played here on Thursday. South Zone's win was also their fifth in a row, putting them far ahead of the competition with 20 points. East Zone, who recorded four wins and a loss from five round-robin matches, finished second with 16 points after a huge 157-run win over West Zone earlier in the day. After Central Zone managed 261 for nine in 50 overs having elected to bat first, Sudharsan anchored the chase for his side.