Dear Raju,
let me explain Facility first.: A facility define credit line as the framework conditions for a sequence of credit exposures or drawing, Its is entered as separate financial transaction within transaction managements or in simple term A facility is an agreement by a lender and one or more borrowers on the general term(credit line) for series of drawings against credit.
Facility can also divided into Bilateral and Syndicated
Bilateral: Its has borrower and lender
Syndicated Facility: have a borrower and several lenders each with their own credit lines.
Hope this explain your query.
Regards,
Jain