Most extras in an innings by Assam in FC
Most extras in an innings
Team | Score | Overs | Ext | b | lb | w | nb | RR | Inns | Opposition | Ground | Match Date | Scorecard |
| 306 | 111.5 | 61 | 21 | 15 | 7 | 13 | 2.73 | 2 | v Rajasthan | Guwahati | 17 Dec 2003 | First-class | |
| 259 | 92.0 | 59 | 23 | 13 | 6 | 17 | 2.81 | 2 | v Services | Guwahati | 1 Dec 2007 | First-class | |
| 268 | 76.4 | 52 | 20 | 13 | 1 | 18 | 3.49 | 1 | v Jharkhand | Jamshedpur | 17 Dec 2005 | First-class | |
| 366 | 123.3 | 47 | 11 | 7 | 5 | 24 | 2.96 | 2 | v Goa | Porvorim | 29 Dec 2012 | First-class | |
| 298 | 102.1 | 42 | 12 | 8 | 6 | 16 | 2.91 | 1 | v Mumbai | Mumbai | 24 Nov 2010 | First-class | |
| 299 | 120.3 | 40 | 13 | 13 | 8 | 6 | 2.48 | 1 | v Vidarbha | Nagpur | 29 Nov 2008 | First-class | |
| 362 | 165.1 | 38 | 12 | 10 | 1 | 15 | 2.19 | 1 | v Railways | Guwahati | 1 Dec 2006 | First-class | |
| 258 | 95.0 | 36 | 23 | 13 | - | - | 2.71 | 1 | v Delhi | Delhi | 6 Oct 2017 | First-class | |
| 316 | 113.0 | 36 | 22 | 11 | 2 | 1 | 2.79 | 2 | v UP | Kanpur | 2 Feb 2024 | First-class | |
| 422 | 151.0 | 35 | 16 | 9 | - | 10 | 2.79 | 2 | v Rajasthan | Guwahati | 8 Oct 2015 | First-class | |
| 217 | 96.0 | 34 | 8 | 10 | 1 | 10 | 2.26 | 3 | v Kerala | Guwahati | 27 Oct 2013 | First-class | |
| 443 | 129.3 | 34 | 11 | 17 | 1 | 5 | 3.42 | 2 | v Delhi | Guwahati | 20 Dec 2022 | First-class | |
| 198 | 79.5 | 33 | 14 | 11 | 2 | 6 | 2.48 | 3 | v Himachal | Guwahati | 28 Dec 2014 | First-class | |
| 392 | 134.0 | 33 | 24 | 5 | 2 | 2 | 2.92 | 1 | v Vidarbha | Guwahati | 8 Dec 2009 | First-class | |
| 360 | 123.0 | 32 | 20 | - | 1 | 11 | 2.92 | 3 | v Baroda | Guwahati | 7 Nov 2004 | First-class | |
| 430 | 130.3 | 32 | 4 | 5 | - | 23 | 3.29 | 2 | v Tamil Nadu | Guwahati | 4 Dec 2004 | First-class | |
| 249 | 57.5 | 31 | 11 | 6 | - | 14 | 4.30 | 2 | v Tripura | Mangaldoi | 25 Dec 1999 | First-class | |
| 273 | 100.0 | 31 | - | 9 | - | 22 | 2.73 | 1 | v Baroda | Guwahati | 7 Nov 2004 | First-class | |
| 169 | 100.5 | 31 | 3 | 5 | 4 | 19 | 1.67 | 1 | v Kerala | Dibrugarh | 23 Nov 2005 | First-class | |
| 464 | 150.0 | 31 | 16 | 7 | 7 | 1 | 3.09 | 2 | v Chhattisgarh | Guwahati | 11 Jan 2020 | First-class | |
| 327 | 119.0 | 30 | 16 | 13 | 1 | - | 2.74 | 2 | v Andhra | Guwahati | 15 Dec 2009 | First-class | |
| 307 | 76.4 | 29 | 6 | 9 | 1 | 8 | 4.00 | 4 | v Services | Guwahati | 1 Dec 2007 | First-class | |
| 218 | 100.2 | 29 | 8 | 8 | 3 | 10 | 2.17 | 2 | v Himachal | Guwahati | 28 Dec 2014 | First-class | |
| 405 | 121.4 | 29 | 18 | 8 | 3 | - | 3.32 | 1 | v Bihar | Guwahati | 9 Feb 2024 | First-class | |
| 410 | 192.2 | 29 | 10 | 6 | - | 13 | 2.13 | 2 | v Tripura | Guwahati | 9 Dec 2007 | First-class | |
| 501 | 197.0 | 29 | 8 | 6 | 2 | 8 | 2.54 | 1 | v Hyderabad | Guwahati | 7 Nov 2013 | First-class | |
| 358 | 140.3 | 28 | 7 | 6 | - | 15 | 2.54 | 2 | v M. Pradesh | Indore | 1 Dec 2005 | First-class | |
| 537 | 180.3 | 28 | 7 | 6 | 1 | 14 | 2.97 | 1 | v Hyderabad | Guwahati | 23 Nov 2003 | First-class | |
| 366 | 102.0 | 27 | 18 | 7 | 1 | 1 | 3.58 | 3 | v Saurashtra | Guwahati | 13 Dec 2022 | First-class | |
| 347 | 121.5 | 27 | 2 | 12 | 5 | 8 | 2.84 | 2 | v Bengal | Eden Gardens | 1 Dec 2003 | First-class | |
| 525 | 141.0 | 27 | 5 | 5 | 2 | 15 | 3.72 | 2 | v Tripura | Agartala | 21 Nov 2013 | First-class | |
| 189 | 69.3 | 26 | 13 | 7 | 2 | 4 | 2.71 | 2 | v Rajasthan | Guwahati | 3 Nov 2009 | First-class | |
| 244 | 78.1 | 26 | 13 | 13 | - | - | 3.12 | 2 | v Maharashtra | Guwahati | 19 Jan 2020 | First-class | |
| 323 | 108.0 | 26 | - | 5 | 3 | 18 | 2.99 | 1 | v Punjab | Valsad | 3 Feb 2016 | First-class | |
| 313 | 119.5 | 26 | 18 | 4 | 2 | 2 | 2.61 | 1 | v Kerala | Palakkad | 9 Dec 2006 | First-class | |
| 308 | 145.4 | 26 | 1 | 14 | 2 | 9 | 2.11 | 1 | v Vidarbha | Nagpur | 25 Dec 2006 | First-class | |
| 160 | 60.1 | 25 | 20 | 2 | 1 | 2 | 2.65 | 2 | v Andhra | Dibrugarh | 19 Jan 2024 | First-class | |
| 225 | 80.1 | 25 | 13 | 5 | 1 | 6 | 2.80 | 3 | v Jharkhand | Jamshedpur | 17 Dec 2005 | First-class | |
| 243 | 110.5 | 25 | 8 | 7 | - | 10 | 2.19 | 3 | v Vidarbha | Nagpur | 25 Dec 2006 | First-class | |
| 364 | 120.0 | 25 | 1 | 1 | 1 | 22 | 3.03 | 2 | v Orissa | Guwahati | 9 Nov 2002 | First-class | |
| 239 | 74.0 | 24 | 6 | 9 | 7 | 2 | 3.22 | 2 | v Delhi | Delhi | 1 Dec 2010 | First-class | |
| 445 | 146.2 | 24 | 10 | 7 | 4 | 3 | 3.04 | 2 | v Tamil Nadu | Guwahati | 6 Nov 2024 | First-class | |
| 132 | 50.0 | 23 | 5 | 13 | 3 | 2 | 2.64 | 3 | v Odisha | Guwahati | 20 Nov 2018 | First-class | |
| 168 | 56.0 | 23 | 8 | 8 | 1 | 6 | 3.00 | 4 | v Delhi | Guwahati | 15 Nov 2015 | First-class | |
| 213 | 90.5 | 23 | 6 | 6 | 1 | 10 | 2.34 | 3 | v M. Pradesh | Dibrugarh | 17 Dec 2006 | First-class | |
| 306 | 98.5 | 23 | 16 | 1 | - | 6 | 3.09 | 2 | v Orissa | Angul | 3 Jan 2000 | First-class | |
| 299 | 104.4 | 23 | 14 | 8 | 1 | - | 2.85 | 3 | v Jharkhand | Vizianagaram | 29 Nov 2016 | First-class | |
| 298 | 105.0 | 23 | 3 | 12 | - | 8 | 2.83 | 1 | v Maharashtra | Pune | 23 Nov 2015 | First-class | |
| 323 | 139.4 | 23 | 5 | 3 | 4 | 11 | 2.31 | 1 | v Kerala | Guwahati | 27 Oct 2013 | First-class | |
| 347 | 139.5 | 23 | 8 | 11 | 3 | 1 | 2.48 | 1 | v Bengal | Eden Gardens | 12 Nov 1999 | First-class | |
| 410 | 147.0 | 23 | 7 | 8 | 2 | 6 | 2.78 | 2 | v Goa | Guwahati | 23 Nov 2006 | First-class | |
| 394 | 147.0 | 23 | 14 | 5 | - | 4 | 2.68 | 2 | v Andhra | Guwahati | 22 Dec 2012 | First-class | |
| 177 | 64.0 | 22 | 10 | 2 | - | 10 | 2.76 | 1 | v Goa | Margao | 10 Nov 2009 | First-class | |
| 265 | 77.0 | 22 | 14 | 6 | - | 2 | 3.44 | 4 | v Orissa | Angul | 3 Jan 2000 | First-class | |
| 216 | 83.4 | 22 | 8 | 5 | 1 | 8 | 2.58 | 1 | v Vidarbha | Guwahati | 15 Nov 2007 | First-class | |
| 330 | 91.3 | 22 | 12 | 6 | 1 | 3 | 3.60 | 1 | v Delhi | Delhi | 26 Oct 2024 | First-class | |
| 279 | 95.4 | 22 | 17 | 1 | 3 | 1 | 2.91 | 3 | v Chhattisgarh | Raipur | 13 Nov 2024 | First-class | |
| 273 | 99.4 | 22 | - | 4 | 6 | 12 | 2.73 | 2 | v Gujarat | Guwahati | 8 Dec 2010 | First-class | |
| 275 | 100.2 | 22 | 16 | 6 | - | - | 2.74 | 2 | v Tripura | Guwahati | 7 Dec 2014 | First-class | |
| 257 | 102.4 | 22 | 17 | - | 2 | 3 | 2.50 | 2 | v Services | Guwahati | 5 Jan 2015 | First-class | |
| 331 | 109.4 | 22 | 6 | 6 | 5 | 5 | 3.01 | 1 | v Tripura | Guwahati | 1 Dec 2009 | First-class | |
| 279 | 131.0 | 22 | 7 | 2 | 7 | 6 | 2.12 | 1 | v Maharashtra | Guwahati | 6 Dec 2011 | First-class | |
| 588 | 169.0 | 22 | 4 | 15 | 2 | 1 | 3.47 | 2 | v Bengal | Eden Gardens | 17 Nov 2010 | First-class | |
| 312 | 68.0 | 21 | 3 | 6 | 1 | 11 | 4.58 | 3 | v Gujarat | Guwahati | 15 Nov 2003 | First-class | |
| 152 | 71.2 | 21 | 5 | 11 | - | 5 | 2.13 | 2 | v Maharashtra | Guwahati | 30 Dec 2013 | First-class | |
| 235 | 93.0 | 21 | 14 | 3 | 3 | 1 | 2.52 | 3 | v Jharkhand | Guwahati | 14 Dec 2014 | First-class | |
| 149 | 54.4 | 20 | 4 | 8 | 7 | 1 | 2.72 | 2 | v UP | Guwahati | 24 Dec 2009 | First-class | |
| 174 | 59.4 | 19 | 5 | 13 | - | 1 | 2.91 | 3 | v Rajasthan | Jaipur | 6 Dec 2018 | First-class | |
| 297 | 90.0 | 19 | 12 | 1 | 4 | 2 | 3.30 | 1 | v J + K | Srinagar | 3 Nov 2011 | First-class | |
| 266 | 100.2 | 19 | 15 | - | 3 | 1 | 2.65 | 2 | v Tamil Nadu | Chennai | 17 Jan 2023 | First-class | |
| 259 | 102.0 | 19 | - | 12 | - | 7 | 2.53 | 4 | v Karnataka | Guwahati | 1 Oct 2015 | First-class | |
| 240 | 112.3 | 19 | 5 | 12 | - | 2 | 2.13 | 1 | v Rajasthan | Udaipur | 25 Dec 2005 | First-class | |
| 411 | 136.2 | 19 | 2 | 7 | 5 | 5 | 3.01 | 2 | v Tripura | Guwahati | 7 Jan 2002 | First-class | |
| 450 | 152.5 | 19 | 2 | 3 | 2 | 12 | 2.94 | 1 | v Tripura | Guwahati | 2 Nov 2012 | First-class | |
| 166 | 36.4 | 18 | 9 | 7 | 1 | 1 | 4.52 | 3 | v Saurashtra | Rajkot | 30 Jan 2025 | First-class | |
| 135 | 48.2 | 18 | 7 | 5 | 3 | 3 | 2.79 | 3 | v Maharashtra | Pune | 23 Nov 2015 | First-class | |
| 195 | 72.1 | 18 | 6 | - | 1 | 11 | 2.70 | 2 | v Tripura | Agartala | 10 Nov 2008 | First-class | |
| 184 | 72.5 | 18 | 6 | 6 | - | 6 | 2.52 | 1 | v Tamil Nadu | Chennai | 1 Nov 2010 | First-class | |
| 166 | 75.0 | 18 | 6 | 3 | 2 | 7 | 2.21 | 3 | v Odisha | Hyderabad | 13 Nov 2016 | First-class | |
| 195 | 84.1 | 18 | 5 | 11 | - | 2 | 2.31 | 1 | v Rajasthan | Visakhapatnam | 13 Oct 2016 | First-class | |
| 263 | 87.5 | 18 | 12 | 3 | - | 3 | 2.99 | 1 | v J + K | Jammu | 14 Dec 2013 | First-class | |
| 170 | 88.5 | 18 | 9 | 7 | - | 2 | 1.91 | 3 | v Railways | Delhi | 10 Nov 2010 | First-class | |
| 327 | 104.4 | 18 | 8 | 9 | - | 1 | 3.12 | 1 | v Tripura | Agartala | 12 Nov 2018 | First-class | |
| 502 | 165.4 | 18 | 5 | 8 | - | 5 | 3.03 | 1 | v Jharkhand | Dhanbad | 29 Nov 2011 | First-class | |
| 185 | 75.0 | 17 | 9 | 4 | - | 4 | 2.46 | 2 | v Karnataka | Indore | 16 Feb 2015 | First-class | |
| 211 | 98.5 | 17 | 9 | 6 | - | 2 | 2.13 | 1 | v Services | Delhi | 14 Dec 2018 | First-class | |
| 247 | 105.0 | 17 | 4 | 7 | 1 | 5 | 2.35 | 1 | v Goa | Guwahati | 6 Dec 2013 | First-class | |
| 235 | 105.1 | 17 | 7 | 8 | - | 2 | 2.23 | 1 | v Orissa | Cuttack | 10 Jan 2007 | First-class | |
| 298 | 105.2 | 17 | 8 | 7 | 1 | 1 | 2.82 | 2 | v Jharkhand | Ranchi | 1 Nov 2018 | First-class | |
| 153 | 54.1 | 16 | 4 | 1 | 11 | - | 2.82 | 3 | v Andhra | Vizianagaram | 24 Jan 2023 | First-class | |
| 248 | 64.5 | 16 | 10 | 5 | - | 1 | 3.82 | 2 | v Kerala | Guwahati | 12 Jan 2024 | First-class | |
| 213 | 72.1 | 16 | 5 | 3 | 1 | 7 | 2.95 | 2 | v Punjab | Amritsar | 16 Nov 2004 | First-class | |
| 215 | 72.4 | 16 | 4 | 5 | - | 7 | 2.95 | 4 | v Maharashtra | Guwahati | 30 Dec 2013 | First-class | |
| 200 | 74.0 | 16 | 2 | 7 | 4 | 3 | 2.70 | 4 | v Rajasthan | Guwahati | 3 Nov 2009 | First-class | |
| 158 | 78.1 | 16 | 1 | 14 | 1 | - | 2.02 | 2 | v Hyderabad | Secunderabad | 31 Dec 2004 | First-class | |
| 259 | 83.2 | 16 | - | 9 | 5 | 2 | 3.10 | 4 | v UP | Guwahati | 24 Dec 2009 | First-class | |
| 234 | 87.0 | 16 | - | 2 | 8 | 6 | 2.68 | 1 | v Saurashtra | Vadodara | 13 Feb 2016 | First-class | |
| 274 | 87.4 | 16 | 2 | 10 | 2 | 2 | 3.12 | 1 | v Maharashtra | Ambi | 3 Jan 2023 | First-class | |
| 181 | 88.3 | 16 | 1 | 5 | - | 10 | 2.04 | 1 | v M. Pradesh | Dibrugarh | 17 Dec 2006 | First-class | |
| 354 | 117.5 | 16 | 12 | 3 | 1 | - | 3.00 | 1 | v Himachal | Guwahati | 8 Dec 2012 | First-class |
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Team is the team credited with the extras, Opposition is the team that conceded them.