Blank Cheque?

A cheque without any details bearing only the signature of the drawer is called blank cheque. This is also called inchoate (incomplete) instruments.

Ante-dated Cheque?

A cheque bears a date earlier to the date on which the cheque is drawn. For example, a cheque drawn on January 15 bearing date January 10 is an ante-dated cheque. Bank generally pay an ante-dated cheque.

What is cheque?

Cheque is a bill of exchange drawn on a specified banker and not expressed to be payable otherwise than on demand. (an instrument in writing containing an unconditional order, signed by the maker, directing a certain person to pay a certain sum of money only to, or to the order of, a certain person or the bearer of the instrument.)