The application in CIC under the Right to Information (RTI) Act had also sought information about communications between the Reserve Bank of India (RBI) and the Ministry of Finance (MoF) regarding the application by Tata.
The high court is likely to hear the matter next week.
The commission had denied the plea for providing the information sought, saying it may "prejudicially affect" the economic interest of the country and relations with a foreign nation.
The transparency panel had agreed with the government's contention and had also said that "disclosure of information sought may harm the competitive position of third parties, including Indian companies, foreign investors..."
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Tata had said that as per the shareholding agreement
between them, on Docomo's exit from TTSL, Tata had to either find a buyer for Docomo's stake at 50 per cent of the acquisition price or buy it itself at fair market value.
When the matter between Tata and NTT Docomo went to arbitration, the arbitrator had awarded damages of USD 1.17 billion to the Japanese company for alleged breach of contract by Tata for not finding a buyer for Docomo's stake.
Tata had again sought permission of RBI for paying the damages and the bank had refused to grant it after which Docomo had moved high court for enforcement of the award.