Supreme Court Hears Appeal in Gas Supply Contract Dispute Over Redaction of Evidence Affidavits. The Court examines whether oral evidence can be led regarding internal documents already held irrelevant in a suit for specific performance of a gas sale and purchase agreement.

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Case Note & Summary

The dispute concerned a commercial suit filed by NTPC Limited against Reliance Industries Limited seeking a declaration that a binding contract existed for supply of natural gas, and consequently specific performance of the contract for supply of 132 trillion BTU of natural gas over 17 years. The background involved a Request for Qualification for supply of natural gas to NTPC's power plants, RIL's financial proposal, and issuance of a Letter of Intent dated 16 June 2004, which RIL accepted subject to negotiation of a Gas Sale and Purchase Agreement. NTPC alleged non-compliance with obligations under the LOI and filed the suit. The litigation was marked by multiple interlocutory rounds. In the first round, RIL filed Chamber Summons No. 201 of 2010 seeking discovery and inspection of internal NTPC documents, which was dismissed by the High Court on 20 February 2014 on grounds that the documents were vague, irrelevant, and a fishing enquiry. The Division Bench dismissed the appeal on 20 March 2014, emphasizing that the question of concluded contract would be determined on documents already produced, not internal notings. In the second round, after RIL submitted its first evidence affidavit of B.K. Ganguly on 24 February 2015, RIL filed Chamber Summons No. 629 of 2015 seeking leave to produce additional internal RIL documents. The High Court dismissed it on 29 January 2016, holding that internal documents unilaterally prepared and not shared with the other party could not throw light on the common intention of parties and were irrelevant to prove a concluded contract. Only certain listed documents were allowed. RIL's special leave petition against that order was dismissed as withdrawn on 18 July 2016. On 10 August 2016, RIL submitted a second evidence affidavit. NTPC sought redaction of portions of both affidavits, leading to High Court order dated 31 March 2017 that redacted some portions but allowed oral evidence on some documents, later corrected on 13 April 2017; review was dismissed on 2 February 2018. NTPC challenged these orders before the Supreme Court, which by judgment dated 28 February 2019 allowed the appeals and set aside the High Court order insofar as it permitted oral evidence on excluded documents, holding that previous orders had attained finality and operated as res judicata, binding the trial court; what was directly precluded could not be indirectly introduced through oral evidence. The present appeal arose from a Bombay High Court order dated 22 August 2024 in Commercial Suit No. 189 of 2021 redacting certain portions of the first and second evidence affidavits. The Supreme Court, in the provided text, examined the procedural history and reiterated the principles on relevance of internal documents and binding nature of prior orders. The judgment excerpt ends before the final operative direction, but the earlier reasoning strongly disapproved repetitive obstructive applications and upheld the exclusion of internal documents.

Headnote

A) Civil Procedure - Discovery and Inspection - Relevance of Documents - Code of Civil Procedure, 1908 (CPC), Order 11 Rule 12 - The High Court dismissed a chamber summons seeking discovery of internal NTPC documents as vague and a fishing enquiry; the Division Bench upheld that the principal issue of concluded contract would be decided on documents already produced, not internal notings - Held that a party cannot keep making repetitive applications to frustrate trial progress (Paras 6-7).

B) Civil Procedure - Admissibility of Internal Documents - Unilateral Internal Documents Irrelevant - Code of Civil Procedure, 1908 (CPC), Order 11 Rule 12 - The High Court held that internal documents/correspondence of a party unilaterally prepared and not shared cannot throw light on what parties together meant; hence irrelevant for proving existence of a concluded contract - Held that only certain documents listed in the schedule were allowed to be produced (Paras 8-9).

C) Civil Procedure - Res Judicata and Finality of Orders - Binding Effect of Interlocutory Orders - Code of Civil Procedure, 1908 (CPC), Order 11 Rule 12 and Rule 21 - Previous orders excluding documents attained finality and operated as res judicata binding the trial court; it was not open to indirectly adduce oral evidence of the same excluded documents - Held that what was directly precluded could not be done indirectly by deposing oral evidence of internal discussions (Paras 12-13).

D) Evidence - Oral Evidence and Excluded Documents - Distinction Between Document and Fact of Discussions - Code of Civil Procedure, 1908 (CPC) - The High Court had earlier distinguished between the document itself and the fact of discussions, permitting limited oral evidence; however this Court set aside that order to the extent it permitted oral evidence on documents already held irrelevant - Held that exclusion orders must be respected and prior orders bind (Paras 11-13).

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Issue of Consideration

Whether oral evidence can be adduced with respect to content of documents or correspondence already held irrelevant; whether the High Court order permitting such oral evidence was valid in view of prior final orders; whether redaction of portions of evidence affidavits was justified under Order 11 Rule 12 CPC.

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Final Decision

Final decision not provided in the judgment excerpt; earlier Supreme Court judgment dated 28 February 2019 allowed NTPC's appeals and set aside High Court order insofar as it permitted oral evidence on excluded documents.

Law Points

  • Discovery under Order 11 Rule 12 CPC must be relevant and not vague
  • internal documents unilaterally prepared and not shared are irrelevant to prove concluded contract
  • oral evidence cannot be used to indirectly introduce excluded documents
  • previous interlocutory orders attaining finality operate as res judicata and bind trial court
  • repetitive applications to frustrate trial are impermissible
  • gross delay in filing discovery application is fatal
  • what is directly precluded cannot be done indirectly.
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Case Details

2026 LawText (SC) (08) 60

Civil Appeal No. of 2026 (Arising out of SLP (C) No. 23417 of 2024)

2026 INSC 862

Tushar Mehta, Abhishek Manu Singhvi, Shyam Divan

Reliance Industries Limited

NTPC Limited

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Nature of Litigation

Commercial suit for declaration of binding contract and specific performance of gas supply contract.

Remedy Sought

NTPC sought declaration that a binding contract existed and specific performance of contract for supply of 132 trillion BTU of natural gas for 17 years; RIL, as appellant in present appeal, sought to challenge High Court order redacting portions of evidence affidavits.

Filing Reason

NTPC alleged non-compliance with obligations under Letter of Intent dated 16 June 2004 and sought enforcement of alleged concluded contract; RIL challenged evidential rulings excluding internal documents.

Previous Decisions

Chamber Summons No. 201 of 2010 dismissed by High Court on 20.02.2014; appeal dismissed on 20.03.2014; Chamber Summons No. 629 of 2015 partly allowed on 29.01.2016; SLP (C) No. 8260 of 2016 dismissed as withdrawn on 18.07.2016; High Court order redacting portions on 31.03.2017 corrected on 13.04.2017; review dismissed on 02.02.2018; Supreme Court judgment dated 28.02.2019 set aside High Court order insofar as it permitted oral evidence on excluded documents; impugned order dated 22.08.2024 by Bombay High Court in Commercial Suit No. 189 of 2021 redacting portions.

Issues

Whether internal documents unilaterally prepared are relevant and admissible to prove existence of a concluded contract. Whether oral evidence can be adduced regarding documents already excluded by prior final orders. Whether prior interlocutory orders operate as res judicata and bind the trial court. Interpretation and scope of Order 11 Rule 12 CPC regarding discovery and inspection. Whether redaction of portions of evidence affidavits by High Court was justified.

Submissions/Arguments

Shri Tushar Mehta, learned Solicitor General for NTPC, argued that previous orders precluding documents had attained finality and operated as res judicata; therefore the High Court could not permit oral evidence of the same excluded documents. Shri Abhishek Manu Singhvi and Mr Shyam Divan for RIL submitted that the order was interlocutory and discretionary; the trial Judge had properly redacted portions and permitted only admissible evidence; the question of relevance and proof was to be decided at final hearing.

Ratio Decidendi

Internal documents unilaterally prepared and not shared with the other party are irrelevant to prove a concluded contract; prior interlocutory orders excluding such documents attain finality and operate as res judicata binding the trial court; what is directly precluded cannot be done indirectly by adducing oral evidence of the same excluded documents; discovery under Order 11 Rule 12 CPC must not be vague or a fishing enquiry and gross delay in seeking discovery is fatal.

Judgment Excerpts

A perusal of the schedule to the chamber summons, it clearly indicates that the discovery sought in respect of the documents described in the schedule is totally vague and is also by way of fishing enquiry. It is not open to a party to keep making repetitive applications so as to frustrate the progress of the trial. An internal document of a party unilaterally prepared and not shared with the other, cannot possibly throw any light on what the parties together meant. They operate as res judicata and are binding on the trial Court at a subsequent stage. What was directly precluded is being done indirectly by adducing the oral evidence on the ground that the witness was party to the internal discussions made in the office of the defendants as well as plaintiffs.

Procedural History

Letter of Intent dated 16.06.2004 issued by NTPC to RIL; suit filed by NTPC in 2006; written statement filed by RIL in October 2007; RIL filed Chamber Summons No. 201 of 2010 for discovery; dismissed on 20.02.2014; appeal dismissed on 20.03.2014; first evidence affidavit of B.K. Ganguly submitted on 24.02.2015; Chamber Summons No. 629 of 2015 filed; dismissed partially on 29.01.2016; SLP (C) No. 8260 of 2016 dismissed as withdrawn on 18.07.2016; second evidence affidavit submitted on 10.08.2016; High Court redaction order dated 31.03.2017 corrected on 13.04.2017; review dismissed on 02.02.2018; Supreme Court judgment dated 28.02.2019 set aside High Court order partially; impugned Bombay High Court order dated 22.08.2024 in Commercial Suit No. 189 of 2021 redacting portions; present civil appeal filed.

Acts & Sections

  • Code of Civil Procedure, 1908 (CPC): Order 11 Rule 12, Order 11 Rule 21
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