Forged? It's as I said you guys are totally brainwashed by your propaganda! Now make some effort to read a book titled:
The 1947-48 Kashmir War: The War of Lost Opportunities by none other than an
ex Pak Army officer, Maj (Retd) AGHA HUMAYUN AMIN. This isn't a forged book written by an Indian.
So before talking from the top of your head, learn to cultivate reading at least as a hobby if you don't want to tax your brains on reading research material on the subject.
Here's how it started. Brig Akbar Khan of the Pak Army brought in tribesmen from the NWFP tribal areas on trucks requisitioned by Government of Pakistan and concentrated in Batrasi north-east of Abbottabad.
The invasion was to commence from 20th October 1947; the main northern tribal force invading Kashmir under Khurshid Anwar on Abbottabad-Garhi Habibullah-Muzaffarabad-Srinagar axis with a smaller auxiliary force advancing along Murree-Kohala-Muzaffarabad axis. These tribals were supported by the army.
More in the link here.....
Full text of "THE 1947-48 Kashmir War The war of lost opportunities"