The Central Bureau of Investigation (CBI) is busy preparing the 14th sheet related to the March 1993 Bombay blast case. Bureau officials, who are burning the proverbial midnight oil to draft the document, are confident that with the clutch of new evidence they have now managed to acquire, they will be able to convincingly nail Pakistan's involvement in the serial blasts which shook the megapolis three months after the demolition of the Babri Masjid in Ayodhya.