In the context of the Rajya Sabha, which of the following devices is used to raise a matter of public importance that cannot be raised as a point of order, or during Question Hour, Half-an-Hour Discussion, Short Duration Discussion, or under Adjournment and Calling Attention motions?

Explanation

A matter which is not a point of order or which cannot be raised during the question hour, half-an-hour discussion, short duration discussion or under adjournment motion, calling attention notice or under any other rule of the House, can be raised under the device of 'Special Mention' in the Rajya Sabha. Its equivalent in the Lok Sabha is raised under Rule 377.