Ach/bd bse limited

Hi,

I find a transaction in Bank statement as " ach/bd bse limited "

Can someone explain about this auto debit?

Do you a mutual fund SIP setup ? I saw this in my statement recently and it was the SIP amount debited.

Where can i get a refund of that debited amount

Did you got your money back?my money also got cut on same BD-bselimited