Special CBI court accepted their bonds till the next date of hearing and posted the matter for further proceedings on April 22.
The court, after going through the SC's order on separate petitions filed by Mittal and Ruia, listed the matter on April 16.
The apex court said it will hear Ruia's petition along with that of Mittal on April 15.
The CBI has charged former DoT Secretary Shyamal Ghosh, Bharti Airtel Ltd, Vodafone India Ltd and Hutchison Max & Sterling Cellular.
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