| City | 2026 Pop. ↓ |
|---|---|
| Kolkata | 15,440,671 |
| Kozhikode | 4,294,121 |
| Kochi | 4,143,068 |
| Kannur | 3,473,967 |
| Kanpur | 3,257,269 |
| Kollam | 2,351,284 |
| Kota | 1,703,199 |
| Kayamkulam | 906,006 |
| Kurnool | 812,749 |
| Kottayam | 756,408 |
| Kolhapur | 658,250 |
| Kakinada | 564,685 |
| Kadapa | 519,399 |
| Kanhangad | 485,149 |
| Karnal | 482,210 |
| Karimnagar | 473,082 |
| Korba | 454,562 |
| Karur | 441,911 |
| Kumarapalayam | 412,965 |
| Kasaragod | 408,276 |
| Khammam | 397,900 |
| Kharagpur | 344,932 |
| Katihar | 341,346 |
| Karaikudi | 316,371 |
| Kanchipuram | 282,303 |
| Khandwa | 252,560 |
| Krishnanagar | 247,737 |
| Kishangarh | 238,285 |
| Kumbakonam | 177,216 |
| Kohima | 144,386 |
| Kavaratti | 13,071 |