Letters Rogatory are formal requests sent by a court in one country to a court in another country seeking assistance in gathering evidence for a legal proceeding. During those proceedings, Pfizer claimed that Softgel was manufacturing the drug for the defendants and sought documents relating to testing, development and manufacturing processes through Letters Rogatory addressed to Indian authorities. During those proceedings, Pfizer claimed that Softgel was manufacturing the drug for the defendants and sought documents relating to testing, development and manufacturing processes through Letters Rogatory addressed to Indian authorities. The Bench added that India has formally invoked Article 23 of the Convention, which allows a country to refuse execution of Letters Rogatory aimed at pre-trial discovery. The High Court allowed Softgel's appeals, set aside the Single Judge's order and dismissed Pfizer's applications seeking enforcement of the Letters Rogatory.