| Diocese | Type | Date Vacant | Last Bishop | Event |
|---|
| Allahabad | Diocese | 12 Nov 2020 | Raphy Manjaly | Appointed, Archbishop of Agra |
| Amravati | Diocese | 3 Dec 2018 | Elias Joseph Gonsalves | Appointed, Archbishop of Nagpur |
| Asansol | Diocese | 4 May 2020 | Cyprian Monis | Retired |
| Balasore | Diocese | 22 Apr 2019 | Simon Kaipuram, C.M. † | Died |
| Buxar | Diocese | 29 Jun 2018 | Sebastian Kallupura | Appointed, Coadjutor Archbishop of Patna |
| Cuddapah | Diocese | 10 Dec 2018 | Prasad Gallela | Resigned |
| Daltonganj | Diocese | 7 Jul 2016 | Gabriel Kujur, S.J. | Resigned |
| Gumla | Diocese | 15 Jun 2021 | Paul Alois Lakra † | Died |
| Jamshedpur | Diocese | 24 Jun 2018 | Felix Toppo, S.J. | Appointed, Archbishop of Ranchi |
| Jhabua | Diocese | 6 May 2021 | Basil Bhuriya, S.V.D. † | Died |
| Jowai | Diocese | 28 Dec 2020 | Victor Lyngdoh | Appointed, Archbishop of Shillong |
| Karwar | Diocese | 1 May 2019 | Derek Fernandes | Appointed, Bishop of Belgaum |
| Krishnagar | Diocese | 17 Apr 2019 | Joseph Suren Gomes, S.D.B. | Retired |
| Kurnool | Diocese | 19 Nov 2020 | Anthony Poola | Appointed, Archbishop of Hyderabad |
| Kuzhithurai | Diocese | 6 Jun 2020 | Jerome Dhas Varuvel, S.D.B. | Resigned |
| Nongstoin | Diocese | 15 Oct 2016 | Victor Lyngdoh | Appointed, Bishop of Jowai |
| Pondicherry and Cuddalore | Archdiocese | 27 Jan 2021 | Antony Anandarayar † | Retired |
| Port Blair | Diocese | 6 Jan 2019 | Aleixo das Neves Dias, S.F.X. | Retired |
| Sivagangai | Diocese | 25 Sep 2020 | Jebalamai Susaimanickam | Retired |
| Tiruchirapalli | Diocese | 14 Jul 2018 | Antony Devotta † | Retired |
| Vellore | Diocese | 21 Mar 2020 | Soundaraj Periyanayagam, S.D.B. † | Died |
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