Srinagar, Apr 16 (UNI) National Conference (NC) patron and former Chief Minister of Jammu and Kashmir Farooq Abdullah had privately endorsed abrogation of Article 370 and even expressed readiness to "help" in the process if taken into "confidence", former head of Research and Analysis Wing (RAW) A.S. Dulat has reportedly claimed in his latest book, triggering sharp reactions from the political opponents.