The National Cricket Selectors will pick the squad for South Africa Test series in Nagpur on Monday at the end of the fourth day's play of the ongoing second Test match between India and Sri Lanka.In all, the selection committee will announce four separate squads. One will be for the third Test against Sri Lanka, followed by ODI and T20 squads for the limited overs series against the same side, and the Test squad for the South Africa series. However, the focus of attention during the selection meeting will be on the tour to South Africa, which will be the first big test of Kohli's men against a top side in overseas condition.