Dhawan is what, 35? The fact that India continue to play him when guys like Shaw, DDP, and agarwal are absolutely slaughtering the domestic scene In one dayers is crazy. Dhawan being around at the next wc is very, very unlikely, and the sooner India start blooding there young guns, the more experience they will have come the WC. This exact same methodology of not preparing early was a major reason that India's middle order was untested going into the WC and that they lost to NZ.
I think potentially individuals on forums like this prioritise tournaments more than most team managements. I think ODIs are viewed as worthwhile in themselves and in the context of WCs whereas it feels that many treat ODIs outside of WC / CT as the equivalent of friendly exhibitions. Neither side is right or wrong but it is a matter of perspective.
Dhawan has a good record that hasn't exactly disappeared in recent years and so I think it is fair enough he's given more time in the team. Moreover, it was only the last ODI that his 98 won us the game. I would personally like Shaw, DDP (Yoga) and Agarwal into the team but I think it makes sense re: Shaw and Agarwal why team management are reluctant given how absolutely at sea they were against the new ball in the Australia Tests. Conscious it is a popular view on CW (going back over 10 years) to reassert that ODIs and Tests are completely different games and I do sympathise with this but I think this is the reason for some reluctance on the side of management. With Shaw in particular, I doubt he'll have come up against much quality new ball bowling in the Vijay Hazare. Also re: Agarwal, 86 runs in five ODIs and two failures to convert starts against Australia does not fill one with confidence!
Re: the favoured narrative of India's untested middle order against NZ in the 2019 WC, I don't think it is fair or right but rather just an attractive narrative. I think when you are chasing 239 on a pitch which is difficult to score off, then it is fair enough that you only muster 221 when you're 24/4 against the new ball. It feels a bit of a weak point that was constantly repeated that India were a bit at sea when the first four went cheaply, because this would be true of most teams - that is half of your batsmen gone and a fifth of your time gone!
I really think the emergency is with the bowling and it is an emergency because there aren't obvious options to turn. I think it should now be obvious that Kuldeep needs time out of the India setup because bowling in the nets is doing to do him no good and it should all be about match practice and consistency and not being afraid to experiment to regain his form.
If we look at the top wicket takers of the Vijay Hazare Trophy (Domestic OD competition) then there are not many obvious contenders in there. I've always rated Dhawal Kulkarni who did well with 14 wickets at 11.78 and economy of 3.72 but it is unclear to me if he has the amount of movement or variations to compensate for his slight lack of pace (B Kumar has swing, Sam Curran has his cutters and the left arm aspect, Topley has enormous height, etc.). I do think he is likely a better bowler than Thakur - as much as Thakur constantly proves the doubters wrong. The top wicket taker was a SLA bowler called Shivam Sharma but he seemed to have great games (6fer and 7fer) and lots of average games so unsure that a 20 year old spinner would be ready for ODI cricket step-up without a buffer zone like IPL.
Also high up is Arzan Nagwaswalla (19 wickets at 13.94 with economy of 4.32) who does seem like maybe a good prospect (
video). Rishi Dhawan is third and as much as I do like a RM bowler in modern cricket, I think he may be too high risk against international quality batsmen. Siddharth Kaul also had a good VH Trophy but it seems his three ODIs without a wicket or looking particularly impressive have counted him out. And then we enter joke territory with the returning Sreesanth. Other than Shivam - a serious lack of spinners on the top wicket takers list! There is also Prashant Solanki (number four wicket taker with 15 wickets at 21.46) but an economy of 6.19 does not fill one with confidence.
So let's see - definitely an area of concern re: bench strength in spin given our previous reliance on them to win the game during the middle overs.