8th pay commission: Here's how much salary hike Railway employees can expect from the 2.92, 3.50 and 3.80 fitment factors demanded by the Indian Railways Technical Supervisors Association across pay levels. 8th pay commission: Here's how much salary hike Railway employees can expect from the 2.92, 3.50 and 3.80 fitment factors demanded by the Indian Railways Technical Supervisors Association across pay levels. by Soban News (international And National News)