Apart from that, he also spoke about cricket and former India skipper MS Dhoni's calm persona when he is in the middle.
The 36-year-old, who has played for India in 61 Tests, the last being in 2018, was a part of all the three IPL-winning campaigns of CSK.
Murali Vijay has been fined for expressing dissent over an on-field umpiring decision during Tamil Nadu's Ranji Trophy match vs Karnataka.
While Shankar has been named the captain, Baba Aparajith has been named vice-captain.
Rayudu had a windfall IPL season last year scoring 602 runs in 16 matches in CSK's title win and that led to him recalled for the England series in 2018.
Opening batsman Murali Vijay scored 117 off 131 as Tamil Nadu sauntered to an eight-wicket win over Jammu and Kashmir.
The team will be led by Dinesh Karthik, while former Tamil Nadu all-rounder D Vasu is the coach. The team includes C Hari Nishaanth, who performed well in the recent TNPL.
The Tamil Nadu batsman has been India's fourth most successful opener in Test cricket with 3880 runs against his name at an average of 39.19 while opening the batting.
The 35-year-old opener replaces Azhar Ali, who has returned to play in Pakistan.
Last season, Vijay had scores of 56, 100, 85, 80 and 2 for Essex an averaged a healthy 64.59.