[4][5] Vidarbha defeated Saurashtra by 78 runs in the final, to become the sixth team in the tournament's history to retain their title.

[6][7] In April 2018, the Board of Control for Cricket in India (BCCI) reinstated Bihar for the competition, bringing the total teams to 29.

[2][8] In July 2018, the BCCI increased the total number of teams to 37, with the addition of Arunachal Pradesh, Manipur, Meghalaya, Mizoram, Nagaland, Pondicherry, Sikkim and Uttarakhand.

[19] Batting for Madhya Pradesh against Hyderabad, he scored 267 not out, breaking the record of 260 runs set by Amol Mazumdar in 1994.

[18][21] In the sixth round of fixtures, Milind Kumar of Sikkim became the first batsman to score 1,000 runs in this edition of the tournament.

[25] Round eight saw Pankaj Singh of Pondicherry become the first seam bowler to take 400 wickets in the Ranji Trophy.

In November 2018, Gautam Gambhir initially stepped down as captain of Delhi,[28] before announcing his retirement the following month.

[33] Vidarbha became the first team to qualify from Group A, after Baroda beat Karnataka by two wickets in their final group-stage match.

[42] Defending champions Vidarbha beat Uttarakhand from the Plate Group by an innings and 115 runs to reach the semi-finals.

[48] Vidarbha defeated Saurashtra by 78 runs in the final, to become the sixth team in the tournament's history to retain their title.

[49] For Saurashtra, it was their third straight loss in Ranji Trophy finals, with their captain Jaydev Unadkat saying he was really proud of how his team performed during the tournament.