Capital gain tax query

Hi Friends,

I have a query. Pl. help.

Mr. X has 3 properties.

Property A -  flat - Bought 9 years ago. (No loan outstanding)

Property B -  flat - Bought 3 years ago.

Property C -  House - Bought 1 year ago. (Housing loan outstanding).

He wants to sell Property A and pay the outstanding loan towards property C bought an year back.

Will he get the tax benefit under Sec 56 F or any other section as he utilizes the capital gains towards the property he purchased an year back?

Please help.

Thanks

Mohan Kumar