A regulatory authority that loses a commercial dispute at the High Court stage and wants to keep fighting cannot always hold on to the disputed money while the appeal runs its course. The Supreme Court made that point plainly on 12 October 2026, ordering the Mumbai Metropolitan Region Development Authority to deposit roughly ₹646.78 crore with its own registry while MMRDA's appeal against Reliance Industries proceeds.
The underlying dispute concerns a commercial complex and convention centre Reliance was developing in the Bandra-Kurla Complex under a lease from MMRDA. MMRDA took the position that Reliance had missed the construction deadlines fixed under the lease and raised penalty demands running past ₹1,100 crore on that basis. Reliance paid a portion of what was demanded under protest and then challenged the demand before the Bombay High Court, arguing that MMRDA had effectively rewritten the lease by recalculating when the four-year construction clock was supposed to start running.
A single judge of the Bombay High Court agreed with Reliance. The demand was quashed, and MMRDA was directed to refund the amount Reliance had already paid, with a bank guarantee of roughly ₹1,312 crore kept in place for a limited period to secure MMRDA's position pending any further challenge. MMRDA, unwilling to let that refund order stand unchallenged, carried the dispute to the Supreme Court.
Reliance's senior counsel, appearing before the Bench of Justices Dipankar Datta and Sheel Nagu, suggested a middle path: let the refund go ahead against a fresh bank guarantee rather than an actual cash deposit, preserving Reliance's liquidity while still giving MMRDA comfort that the money would be available if the appeal eventually succeeded. The Bench did not take that route. It directed MMRDA to deposit the amount in cash with the registry instead, and indicated that refunds arising in connected matters between the same parties should be secured the same way, by deposit rather than by guarantee alone.
That choice carries a practical signal about how the Court is approaching the appeal generally. A bank guarantee protects the ultimate winner's ability to recover the money if the appeal succeeds, but it does not transfer the money out of the losing party's effective control in the interim, and litigation over the guarantee's terms, its renewal and its eventual encashment can itself become a source of further dispute. An actual cash deposit with the court's own registry removes that layer of friction, at the cost of tying up MMRDA's funds for the duration of the appeal regardless of which side eventually prevails on the merits.
The timeline the Bench set gives some sense of how quickly this dispute is expected to move. MMRDA was ordered to make the deposit by 6 November 2026, Reliance's counter-affidavits are due by 30 October, rejoinders by 6 November, and connected matters between the parties are listed for 18 November. A dispute of this size, running into the thousands of crores once all the connected matters are counted, is being pushed through the Supreme Court's calendar at a pace that leaves both sides little room to delay.
For statutory development authorities negotiating long-term leases with major commercial tenants, the case is a reminder that an aggressive penalty demand, even one a High Court eventually finds unsustainable, can still leave the authority on the back foot once the dispute reaches appeal. Having to deposit the better part of ₹650 crore in cash while an appeal is pending is a significant liquidity event for any public authority, and one that MMRDA will now have to manage regardless of how the underlying question of contractual interpretation, whether the construction deadline ran from the date MMRDA says or from some later date Reliance argues for, is eventually resolved.
The case also illustrates how large commercial lease disputes involving public development authorities and major private developers increasingly end up litigated through interim deposit orders as much as through the substantive contractual questions underlying them. Until the Supreme Court decides the central dispute over when the construction period actually began, the deposit order itself allocates the practical risk of delay between the parties, and that allocation can matter commercially even before the underlying appeal is heard on its merits.