I am also in favor of the current setup. Ranji Trophy is divided into three tiers, so the quality is maintained. Out of the 38 teams, 18 are placed in the top tier and another 10 are placed in the middle tier. A total of 10 teams (such as Mizoram and Sikkim) make up the Plate Group, which is the third tier. You may not witness matches such as Mumbai vs Manipur or Karnataka vs Nagaland very often.
@JSRAW I had to study the Ranji three tier system to get a better understanding of what you’ll want, and after reading about it I have to agree that it can definitely be implemented by the ICC. However I don’t expect this to be implemented anytime soon, because currently ICC isn’t concerned about Test cricket. Lastly as fans of this game we can only hope, that at some stage ICC will seriously work on reviving Test cricket.
From the 2018-19 season, the teams contested in three-tiers. Five teams will qualify for the quarter-finals from the top tier (known as Elite Group A and Group B). Two teams will qualify from the second-tier (Elite Group C) and One team from the lower-tier (Plate Group) for the quarter-finals.
Sources:
https://en.wikipedia.org/wiki/Ranji_Trophy
https://www.thecitizen.in/index.php/en/NewsDetail/index/11/16740/Fans-and-Players-Overwhelmingly-Favour-Test-Cricket---But-is-the-ICC-Interested
https://www.indiatoday.in/sports/cricket/story/test-cricket-dying-icc-chairman-shashank-manohar-t20is-revnue-cricket-olympics-1450946-2019-02-07
https://m.dailyhunt.in/news/india/english/cricket+addictor+english-epaper-cricaden/kevin+pietersen+opens+up+on+how+to+revive+test+cricket-newsid-n169678654