The Congress vice-president walked over to the treasury benches and engaged in a conversation with the BJP veteran before the House was to assemble at 11:30am following an adjournment.
Gandhi was sighted leaning over and talking to Advani sitting in the first row.
The Congress vice-president after completing his conversation with the former deputy prime minister Advani for almost five minutes. Gandhi, after completing his conversation with Advani was also sighted engaged in a conversation with Union Minister Ramdas Athawale.
The discussion between the two leaders of the opposition parties was not clear, however sources said the conversation was on recent developments including cow vigilantism.