"We have asked for the reasons behind this decision," a senior I&B Ministry official said, adding that the principle of natural justice demands that the concerned party is also given a hearing if any action has to be taken.
The I&B Ministry issues broadcasting licences for which companies require a security nod from MHA.
Sources said that with the security nod being denied, the I&B Ministry could consider issuing a show-cause notice but for that it would need to know the reasons as to why the clearance was not given.
Meanwhile, senior I&B Ministry officials, when contacted, remained tight-lipped about the development saying that "consultations were on" about the issue.
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The I&B Ministry had earlier been informed about the decision of the Home Ministry denying security clearance to the TV network, which is believed to have been influenced by pending criminal cases against Maran and his brother, former Union Minister Dayanidhi Maran, official sources said.
The network had applied to the I&B Ministry for renewing its broadcasting licence for 10 years for which it needed the MHA nod.