Who carries out investigation for election-related criminal offenses?

Act 593 Criminal Procedure Code

Investigation To Police and Their Power ToInvestigate

Investigation in Seizable Case

109. (1) Any Police officer not below the rankof segeant or any officer in charge of a police station may without the orderof the Public Prosecutor excercise all or any of the Special powers in realtionto Police investigation given in this chapter in any seizable case.

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Source:

http://54.254.58.175/doc/laws/Act_593_-_Criminal_Procedure_Code_%28CPC%29.pdf