"I suppose waking up this morning if someone said to me you will get a Test match hundred, I would have put them off. I woke up at 5'O clock this morning thinking I will miss the bus. So jumped out of bed, settled myself down and then I saw the time. It's been a dream-come-true and surreal that it's come on debut," said the 24-year-old Johannesburg-born batsman after making 112 in a close of play team score of 288 for 5.
"Thankfully it kind of hit his hand and got out. I had a little bit of luck but I suppose that's the way the game goes sometimes. I am really thankful that the day has gone the way it has. When the ball lifted up to gully my heart was in my mouth and just thought you got a naught in your first innings. But thankfully it went to ground."
He also survived an early leg before review call by India off Bhuvneshwar Kumar when on 10.
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He also played a couple of audacious reverse sweeps against Jayant Yadav with which he reached the hundred too.
"It's been a shot over the last six-eight months that I have played fairly successfully. At the moment I looked at the scoreboard and thought well rather than get out caught at first slip defending, I would rather try to get to the hundred."
"Not yet, we had hand our phones off this morning. I'll try to get in touch with him tonight and hopefully share some special memories together."
Asked what did captain and fellow-opener Alastair Cook tell him before he faced top ranked bowler Ravichandran Ashwin he said, "He was trying to give me a feel of what he went through facing him before.
Jennings was of the opinion that first innings total would be critical looking at the behaviour of the pitch on which he spent more than two sessions batting.
"In the morning it was a bit like tennis ball with the new ball. As the day went on, it started to take little bit of turn. After lunch it started to turn a little bit more and towards the end it started to turn quite nicely," he added.
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