Advance booking forfeited by builder

Manish Buchasia PCS Ahmedabad (Practising Company Secretary)   (306 Points)

01 July 2013  
i am a salaried person given  50K for Booking house but later the deal was cancelled and the said 50k forfeited by the builder.
 
how could i claim in the income tax as deduction etc....
 
plz guide