diff --git a/docs/compatibility-chart.en.md b/docs/compatibility-chart.en.md
index ff7c0a5..b7d1b8a 100644
--- a/docs/compatibility-chart.en.md
+++ b/docs/compatibility-chart.en.md
@@ -19,6 +19,7 @@ Carrier not being listed on the table does not mean that this patch won't work f
 | Asia          | Republic of Korea (450) | KT (08)             | △                   | Not operational                         | For only Pixel 6 / 6 Pro / 6A, OMD Registration with `PTA_VOLTE` Code, Incoming Call is Fullt Working. For Outgoing Call, to KT or Landline is Available, but to SKT or LG U+ has Noise Problem. |
 | Asia          | Israel                  | Hot Mobile (03)     | ?                   | O                                       | Tested on Pixel 7, [Reference](https://github.com/kyujin-cho/pixel-volte-patch/pull/76/)                                                                                                         |
 | Asia          | Israel (972)            | 012                 | O                   | O                                       | Tested on Pixel 6, [Reference](https://github.com/kyujin-cho/pixel-volte-patch/pull/89/)                                                                                                         |
+| Asia          | India (404)            | Airtel (XX)                 | O                   | O                                       | [Reference](TO ADD)                                                                                                         |
 | Asia          | Nepal (429)             | NTC (01)            | O                   | Not operational                         | [Reference](https://github.com/kyujin-cho/pixel-volte-patch/discussions/99)                                                                                                                      |
 | Asia          | Nepal (429)             | Ncell (02)          | O                   | Not operational                         | [Reference](https://github.com/kyujin-cho/pixel-volte-patch/discussions/99)                                                                                                                      |
 | Asia          | Malaysia (502)             | unifi mobile (153)          | O                   | O                    | Might need to add `ims` APN[Reference](https://github.com/kyujin-cho/pixel-volte-patch/discussions/1#discussioncomment-7738009)                                                                                                                   |