looking for cheque bounce case

i am Gujrat based construction company owner( self proprietor) and working with Mumbai base construction company (also self proprietor) i produce 2 stage wise bill as par contract 3 month back they gave me 6 different amount postdated check last week and first of the check is cleared but the second check is return due to insufficient balance in there account now what is the procedure and what sud i do for recovering the payment.