Block, formerly known as Square, is a $44 billion market cap company that claims to have developed a "frictionless" and "magical" financial technology with a mission to empower the "unbanked" and the "underbanked".
He did not appear before the ED on the first date given to him, which was February 27.
Jesna Maria James, a college student from Kanjirappally, has been missing since March, 2018.
They have not given the chargesheet in the case yet and legal advice was also not followed.
A previous Intelligence Bureau report had alerted about similar practices, but was ignored.
The Special Investigation Team has been formed under the supervision of Crime Branch ADGP Darvesh Sahib.
Vigilance is winding up the inquiry, recommending police investigation.
In a statement on Sunday, the corporate affairs ministry said it has arrested one Dortse, who is on the board of Jillian India Ltd, on Saturday.
The Special Branch of the Kerala Police and the National Investigation Agency (NIA) are probing the trafficking of young women and a hunt for the key operatives is on.
NanoSniffer, the world's first Microsensor-based Explosive Trace Detector (ETD), is developed by NanoSniff Technologies a start-up incubated by the IIT Mumbai.