Udalguri Police on Friday arrested 2 nos so called ULFA who demanded money by mobile phone, using ULFA Letter pad etc at Ghagra area & other part Ualguri district from last 1 year. They are: Krishna Sarma-28 of Panery & Bablu Saha-24 Of Tangla. Recover demanded mobile hand sets with SIM cards etc. Interrogation is going on for further ops . In this reg a case was reg vide Horisinga PS Case No-41/2011 u/s 387/506 IPC, RW sec 10/13 UA(P) Act.