He, however, said the defeat could just lead to a turnaround for the hosts in the ongoing six-match series.
Yuzvendra Chahal and Kuldeep Yadav's magical wrist spin today outfoxed a depleted South Africa as India romped to a crushing nine-wicket win in the second ODI to reclaim the pole position in the ICC rankings.
India now lead the series 2-0 as they literally annihilated the home team which had the ignominy of being shot out for a paltry 118 in 32.3 overs -- their lowest-ever score at home.
"Obviously the guys are very upset and disappointed. But the beauty of it is that everyone's disappointed in themselves. That's where the culture stands out and it stands strong.
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"Each player will look to get better now going forward. It is a quick turnaround but it might fire the guys up going into the remaining four matches, which I think is a great thing for us," he added.
But for a matter of fact, South Africa's batsmen failed to counter the Indian spin duo for the second match in running.
"Obviously they (Chahal and Yadav) are two quality bowlers in their own right. I don't think we played them particularly well and that's where our downfall was today," Markram said.
"Having said that, you are never going to come across a bad attack in international cricket, and you're never going to come across a bad batting line-up either. It's just one of those things.
Markram said the key to South Africa's batting success is all about executing their plans.
"I don't think there is too much lack of a game plan. If you speak to each individual in our top six, each person has got a clear plan. So it obviously comes down to execution on the day," he said.
"Like I said, they are two quality wrist-spinners and we give them credit. But I still think we can execute better. Plans are in place and now we just have to keep working hard to execute, that's all," he added.
But Markram didn't divulge any immediate plans to shuffle the batting order.
"Hashim Amla is very valuable for us, wherever he bats. He complements Quinton de Kock very well and he has a calming effect at the top. They got us off to a fairly good start today in any case," he said.
"I just think it's each batsman who need to take responsibility for themselves at the end of the day."
Markram also refused to blame the pitches for South Africa's poor plight in the ongoing ODI series.
"No excuses towards the pitch or anything along those lines. We're pointing the finger straight back at ourselves. We need to get better," Markram signed off.
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