India have taken a 2-0 lead in the six-match series. The third ODI will be played at Newlands tomorrow.
"There are a few problems. I wouldnt say theres a lot. Sometimes when you do badly all it seems like theres a lot more going wrong than what really is happening. So failure is going to happen and its going to happen again," said Rabada today.
"It is very important we keep speaking the right language. Anything can happen in sport. We need to get as much momentum as we can. We are definitely not out of it. Definitely not! he added.
"We clearly havent come to the party. Its not acceptable at all. India are a strong team. Theyve just beaten Australia (at home) comprehensively. I know theyve been playing all their games at home, but theyve been playing good cricket.
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"It doesnt help that we have been going through a few changes and not been in the best form since the Champions Trophy in one-day cricket. We are still trying to catch up at the moment. Hopefully it comes pretty soon, said Rabada.
"It's not generally that we something we talk about. We are experienced enough to know that cricket is a game of ups and downs. We just need to go back, see where were going wrong, calm down and do our business on the field looking to turn the momentum over."
The hosts have also been set back with a host of injuries. AB de Villiers, Faf du Plessis and Quinton de Kock have all been ruled out of the remaining matches on this Indian tour.
"It gives other players a chance. We've got players who have been playing in franchise cricket for a while and doing pretty well. Those three names that have dropped out of the team are pretty much irreplaceable at the moment.
"So, it just gives guys a chance to widen the pool so other players can experience international cricket. Perhaps it is a blessing in disguise," said the pacer.
Through the tour, Rabada has been involved in an intense contest with Virat Kohli. At both Durban and Centurion, he tested him with short bowling, but the Indian skipper rose to the occasion.