Under the National Democratic Alliance coalition government, R&AW, IB, and DIA could interact with counterpart organizations in other countries. Former Deputy Prime Minister L.K. Advani, for example, met the heads of the CIA and Israel's Mossad along with Intelligence Bureau staff.[13][citation needed] Brajesh Mishra, former Principal Secretary to Prime Minister Atal Bihari Vajpayee, is known to have had direct contact with the head of Pakistan's Inter-Services Intelligence as well. While meetings in themselves are not inappropriate, they can lead to the breakdown of protocols - for example, that intelligence officers will meet a foreign contact only in teams of two - and eventual penetration.[14] There is little oversight of this process, which has had the unexpected consequence that "hundreds of Indian agents have been exposed, the term professionals use to describe individuals whose real jobs are known to foreign intelligence organisations.