Evaluate the BOT (Toll) model as an infrastructure financing mechanism in the Indian context, with reference to recent national highway projects.

Under BOT (Toll), a private concessionaire builds, operates and maintains a highway and recovers its investment through user fees before transferring the asset back to the government. Its revival in recent NHAI awards — the 117.7 km Kanpur–Kabrai greenfield section of NH-34 sanctioned at Rs. 7,145.14 crore [1] — makes an evaluation of its merits and limits timely.

Merits of the model

• Fiscal leverage: private capital funds construction, so the exchequer's upfront outlay is limited, freeing budgetary space for social sectors.
• Risk transfer: construction, traffic and operation-and-maintenance risk sit with the concessionaire; the Kanpur–Kabrai award bundles O&M of the existing NH-34 stretch with the new corridor, tying payment to long-run asset quality [1].
• Efficiency and user-pays equity: long concessions incentivise durable design, and tolls charge actual users rather than the general taxpayer.
• Scale: BOT supports large corridor projects such as the 88 km Agra–Gwalior six-lane corridor (Rs. 4,613 crore) within the high-speed corridor programme [2].

Limitations

• Traffic-risk concentration: viability rests on forecasts — Kanpur–Kabrai assumes about 18,069 PCUs of daily traffic by FY 2028 [1]; shortfalls have historically triggered stalled projects and litigation.
• Land acquisition and clearance delays on greenfield alignments push costs onto the concessionaire, deterring bidders.
• Affordability concerns, since long tolling periods burden users in low-income regions such as Bundelkhand.
• Limited applicability: low-traffic stretches attract no bidders, which is why NHAI uses HAM for the Ayodhya Ring Road and EPC for the Kanpur Ring Road [2].

BOT (Toll) is therefore not a universal instrument but a sound one where traffic density is assured — a judgment reflected in NHAI's deliberate mode-mixing across BOT, HAM and EPC. Strengthening independent traffic estimation, timely land handover and transparent concession renegotiation would let BOT carry more of the 50,000 km high-speed corridor target [2], advancing the Viksit Bharat 2047 goal of lower logistics costs.