NEW DELHI: In a rare instance, Rajya Sabha proceedings on Friday were briefly adjourned for 10 minutes after it was noted that no Cabinet minister was present in the House.Soon after members paid homage to security personnel who valiantly fought terrorists and foiled their attack on Parliament on Dec 13, 2001, opposition MPs pointed out that none of the Cabinet ministers were in the House. Raising the issue, Jairam Ramesh of Congress said this was an insult to the House and proceedings must be adjourned.Chairman C P Radhakrishnan said he would take up the issue with govt and asked an MoS to request the presence of a Cabinet minister in the Ho-use. “I understand the procedure. I have requested the minister. One of the Cabinet ministers should come,” he said.When House proceedings resumed after a break, Union parliamentary affairs minister Kiren Rijiju expressed regret for the absence of Cabinet ministers from RS. He said he had to be in LS to mourn the death of former Speaker and home minister Shivraj Patil.