State Minister for Foreign Affairs M Shahriar Alam on Sunday brushed aside allegations against elite police unit Rab, terming them propaganda against Bangladesh.   "It's (such propaganda) nothing new," he told reporters after attending a programme in the city citing the deployment of some lobbyists to spread such propaganda against the country.   Responding to a question, he said it was raised internally by a few persons as part of their internal process and it has nothing to do with the government.   "Rab is an organisation of our pride. We have all the answers ready for any situation if we are conveyed about it (officially)," he said, adding that Bangladesh will only react if any state or international organisation conveys to Bangladesh.   The State Minister highlighted the steps taken by the government and said the government remains engaged with the UN bodies for further improvements as it is an evolving process.   The number of extrajudicial killings has dropped significantly in the country as only nine such cases were recorded since August, according to rights group Ain O Salish Kendra (ASK).