Capital gain. fd

Respected sir. one of client sold his residential property cost 37.00 lakhs, and same amount deposited as FD for 45 days and earned interest on that,it happened two times ie..each 45 days.. after that he has purchased a residential house for 40.00 laks with the amount....total period of above transaction with in 12 months....my question is he is eligible to claim capital exemption u s 54...please