He is expected to be produced before a special Prevention of Money Laundering Act court on Saturday where the ED will seek his remand for custodial interrogation.
Manjhi's political journey took a dramatic turn when, in 2014, he was unexpectedly anointed Chief Minister by Nitish Kumar, who had resigned after a disastrous Lok Sabha election.
A Dalit woman in Harda in Madhya Pradesh has alleged that two people who had refused to let her take water from a temple tap and subjected her to casteist slurs were yet to face action, while police claimed the two men's statement could not be recorded as "we couldn't find them".
Accompanied by his son Santosh Suman, Manjhi met Shah at his residence in New Delhi.
A 14-member council of ministers was sworn in Patna by Governor Phagu Chauhan on Monday and the BJP bagged seven berths.
Former chief minister Tarun Gogoi demanded a CBI inquiry into the episode
Madhav made the statement when asked why Sarma cannot contest despite being responsible for 25 seats.