Agha admitted the offence and accepted the sanction proposed by Neeyamur Rashid Rahul of the Emirates ICC International Panel of Match Referees, so there was no need for a formal hearing.
On-field umpires Adrian Holdstock and Tanvir Ahmed, third umpire Kumar Dharmasena and fourth umpire Masudur Rahman Mukul levelled the charge.
Level 1 breaches carry a minimum penalty of an official reprimand, a maximum penalty of 50 per cent of a player’s match fee, and one or two demerit points.
Pakistan levelled the three-match series with a 128-run victory (by DLS method) over Bangladesh and will take on the hosts in the decider on Sunday.