As per regulatory documents filed with the Registrar of Companies, OEM issued "4,326 fully and compulsorily convertible series B preference shares of face value of ₹10 each having the rights, privileges and preferences..." to SB Topaz (Cayman) Ltd.
The total amount paid was about ₹1,725.04 crore, it added.
The allotment was made on Tuesday following a special resolution passed by the board members on June 25, the filing showed.
SoftBank is also the single largest investor in Ola.
In May, Tata Sons Chairman Emeritus Ratan Tata - who is also an investor in Ola - had invested an undisclosed amount in OEM as part of series A funding round.
Also as part of the series A, OEM had announced raising ₹400 crore led by Tiger Global and Matrix India in March this year.