Nadeem has not made the cut despite being the leading wicket-taker in Ranji Trophy for the past two years and during the same period, the likes of Jayant Yadav, Kuldeep Yadav, Yuzvendra Chahal and Parvez Rasool have made the India squad across formats.
Nadeem understandably went into his shell after repeatedly being overlooked, until finding support from the existing selection panel led by MSK Prasad.
With a stellar show in the domestic circuit, the left-arm spinner has silenced his critics who said he uses too many "needless variations".
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"It is not that I have made too many changes in the last two years and therefore the performance has gone up. It is just that I have matured as a bowler, have started to read the batsman's mind better. There is a lot of difference in match preparation as well. So you can say all these factors have contributed to my growth," Nadeem said.
"And I still continue to use variations whenever I can but at core, I will always remain someone who likes to give the ball air and mix it with the odd faster one. The other big change in me is that I have learnt to bowl on different surfaces," said Nadeem, who still likes to call himself young but has earned the tag of a senior player in the Jharkhand team.
Any conversation relating to Jharkhand cricket is
incomplete without the mention of Mahendra Singh Dhoni. The former India captain has started spending more time with his state team ever since retiring from Tests and has been mentoring the youngsters even when is not playing.
Dhoni most recently led Jharkhand to semifinals of the Vijay Hazare Trophy. Nadeem had little hesitation in saying that constant presence of the charismatic leader has led to every player giving a bit extra on the field.
It was hard even for Dhoni's India teammates to reach him but that is not the case when he is playing for Jharkhand.
"He is available 24/7. Anyone of us can go and talk to him anytime. I too talk to him about the game but I never talk to him about my chances of playing for India. He just says one thing that I must keep improving and leave the rest to the selectors. And that is what I try to do," added Nadeem.