Without naming Ravichandran Ashwin, the former India captain felt there was a need to make it a two-spin attack along with Ravindra Jadeja.
"They should take a specialist spinner. But I cannot judge the conditions in Soutampton. Managment and captain are the best judge. I don't know what the management is thinking they know what's the condition there.
"Jadeja is still a part-time spinner but India have won, so it's good," the 65-year-old, who's here as the chief guest of the Cricket Association of Bengal's annual awards ceremony, told reporters.
"People and the media might say a lot of things but how can he change. Technique can't change. I think technically he is okay. He has had success with the same technique.
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"Getting runs is getting back to form. If he gets a big score it's better for the Indian cricket. He is too good a player, he'll be back among runs," Viswanath said.
As a tip for any youngster, he said a batsman should visualise a match condition on the eve of a Test without thinking much of the pitch.
"Before a Test, I always visualised myself against opponent bowlers and how to play against them the previous night before I went to sleep."
Asked how to tackle a 'mystery spinner', he said, "You just need to pick up the length of ball. There's nothing called a mystery bowler or a mystery ball."
Terming the Ravindra Jadeja-James Anderson alleged spat unfortunate, Viswanath said, "Cricket is still a gentleman's game. That's how I played the game, I walked back it was on my mind. I am not saying batsman should walk but it shouldn't have happenned. I feel one should not make a scene even if you're given a wrong decision.