Question is -- who offered him money to declare himself Daish ?? Obviously NOT Afghan Taliban..:)) then who ? thats where you see the RAW and Ajit Kumar Doval link..
http://www.voanews.com/content/former-afghan-is-commanders-say-money-not-ideology-motivated-them/3209959.html
http://www.voanews.com/content/former-afghan-is-commanders-say-money-not-ideology-motivated-them/3209959.html