Answer: Raja Todar Mal
Notes: Raja Todar Mal, Akbar's finance minister, named Punjab's doabs using Persian names of bounding rivers. Examples are Bari, Rachna, Bist, Chaj, and Sind Sagar doabs, which describe the land between two rivers. This nomenclature influenced administration and agrarian systems in Mughal-era Punjab.
| Doab Name | Bounding Rivers |
| Sind Sagar | Indus – Jhelum |
| Chaj | Jhelum – Chenab |
| Rachna | Chenab – Ravi |
| Bari | Ravi – Beas – Sutlej |
| Bist | Beas – Sutlej |
