The fourth one day international of the Gandhi-Mandela series between India and South Africa will be played in Chennai today. The must win match for India will be played at the MA Chidambaram Stadium from 1:30 PM. The hosts are trailing 1-2 in the 5-match series as they had lost the Rajkot ODI by 18 runs on Sunday.India has altered its squad for the final two ODIs, with left-arm pacer S Aravind replacing Umesh Yadav.For South Africa, in-form JP Duminy's hand injury has ruled him out of the rest of the series. Dean Elgar has arrived as his replacement. Pacer Morne Morkel has a sore leg and he could be rested for this game.Besides, Hashim Amla could again enter the record books as he is just 22 runs away from being the fastest to reach 6,000 ODI runs. A victory for South Africa today could secure them their first-ever bilateral series win in India, while MS Dhoni will be looking to turn the tables and avoid a second straight ODI series defeat after a 2-1 loss to Bangladesh.