Kolkata, Nov. 12 -- South Africa's head coach, Shukri Conrad, has described the upcoming two Tests in India as the "biggest challenge", ranking the series alongside the World Test Championship final against Australia.

South Africa, the World Test champions, will engage in an enticing battle with India on Friday, as Test cricket returns to Eden Gardens after six years. Conrad emphasised the intricate task that lies ahead of them by drawing a stark comparison between their WTC victory over Australia and the two Tests in India.

"Look, India, a tough challenge anywhere in the world, and when you come to an iconic venue like Eden Gardens, it just makes it even tougher. I don't think you can compare the quality of the sides we played against....