The teenage prodigy was batting on 55 not out off 68 balls in the Indian second innings when the day's play ended after the third session was washed out by rains.
"If we win, cricket will not stop and if we lose also, cricket won't stop. We are playing in quest of excellence and understand who we are as a team," the eloquent Indian captain added.
Unlike the men's squad, which played intra-squad games in Southampton ahead of the WTC final, the women prepared only in the nets which might hurt them in the four-day game.
The Indian women are playing a Test match for the first time in seven years. The last time they played was in November 2014, when they beat South Africa in Mysore.
At tea, England were 18 for two wickets in six overs. Pacer Matt Henry removed both openers, Rory Burns (0) and Dominic Sibley (8) with the total being 17.
Kohli posted a picture of himself with Rahane on Instagram and wrote: "Happy birthday jinks. Lots of peace, happiness to you and many more memorable partnerships with you."
Nicholls was a part of the New Zealand team that thrashed India inside three days in two home Tests in early 2020, something that will give them confidence going into the final.