Can we get funds for IPO by pledging shares in Holdings in zerodha?

Can we get funds for IPO by pledging shares in Holdings in zerodha?
What are the other cheapest ways to raise money for IPOs?

Currently, no. You need to ensure you have sufficient funds in your bank account.

After getting the IPO shares allotment listed .
Can i avail the MAS pledge facility on those shares ?
Or
Within what time those shares get eligible by the clearing corporation for the MAS pledge ?