द्विगुणो महानदीषु तरः ॥ कZ_०२.२८.२३ ॥
dviguṇo mahānadīṣu taraḥ
मोठ्या नद्यांमध्ये पार-शुल्क दुप्पट असेल.
Higher operating risk, manpower, and equipment needs justify a higher standardized charge.