Rahane has scored only 17 runs in five innings against Sri Lanka at home but his record outside sub continent makes him a vital cog in the wheel.
" No, I don't think Ajinkya Rahane's form is a concern as he is a quality player. Virat Kohli, Rahane, Cheteshwar Pujara and Murali Vijay have all been to South Africa. The best thing is that they are going back to South Africa as better players," Ganguly told PTI during an interaction on the sidelines of Ranji Trophy semi-final between Bengal and Delhi.
"We will find out if this is the best bowling attack or not. They have got pace for sure. Umesh has pace, Bhuvneshwar is in good form, so let's wait," he said.
While conditions will determine the playing XI in Cape Town on January 5, Ganguly is not averse to trying out Hardik Pandya at No 6, something a lot of experts are sceptical considering his technique in bouncy conditions is not well documented.
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"You will not realise till you give Hardik a chance. Depends on how you want to go about it," said one of India's shrewdest captain.
Ganguly, who is the president of the Cricket Association of Bengal (CAB), picked Shikhar Dhawan as his choice as opening partner of Murali Vijay.
"Shikhar Dhawan has been in such great form and Murali Vijay has also played well against Sri Lanka," he said.
While India have talent to do well, winning a series will be easier said than done.
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