| Alternatives | ||
| Hydraulic measures | S.N | Sediment control measures |
| Increasing the height of embankments over time (Q1) | 1 | Reduction of supply of sediments (S1) |
| Sleeper dikes (Q2) | 2 | Koshi high dam (S2) |
| The use of an old Koshi course (Q3) | 3 | Narrowing of the river with permanent structures (S3) |
| Controlled flooding, flood storage (Q4) | 4 | Narrowing of the river with recurrent measures (S4) |
| Koshi high dam (Q5) | 5 | Dredging (S5) |
| 6 | Controlled flooding using old course (S5) | |
| 7 | Controlled flooding with storage areas (S6) | |
| 8 | Removing embankments and Koshi barrage (S7) | |