Rahul, who last made a Test hundred in September 2018 against England, ended the long wait as he scored his sixth century in the longest format.
Kevin Pietersen has urged Tom Banton not to 'waste his talent' and learn from the likes of Virat Kohli on how to construct a white-ball innings.
Team India skipper Virat Kohli has backed wicket-keeper batsman Rishabh Pant to continue his swashbuckling style of batting.
England and India will lock horns at Lord's with the aim of nudging ahead in the five-match Test series.
Both India and England were docked two WTC points for maintaining a slow over rate during the first Test at Nottingham.
Rahul said he was frustrated over lack of opportunities in Test cricket despite travelling with the squad since the tour of Australia last year.
After the fourth day, Root said that a few early wickets on the final day could turn the tide in favor of the home side.
Kohli said that they would continue playing a 4-1 seam-spin combination in the match unless conditions at Lords forced them otherwise.
Indian cricket team have won only two Tests at Lord's in the last 89 years of playing Tests against Engand at the venue.
The match was evenly poised heading into the final day of the Test in Trent Bridge but the game was called off after persistent rains kept delaying the start of play.