First You Have To Verify With 'a' Organisation's Office Whther The Amount Was Transferred To "b" Organisation P F Office.

Secondly You Verify If It Is Transferred Then You Confirm 'b' Organisations P F Office Whether It Was Credited The Amount Alongwith The Service.

If Not You Can Directly Apply For Transfer From 'c' Organisation
From 'a' And 'b' On Submission Of Form-13rseperately.
If 'a' Organisation Pf Was Transferred To 'b' Then You Have To Submit One Form-13r Through Present Employer