1) you can fill in the blank cheque and deposit the cheque
2) n accused having given a blank signed cheque – is presumed to have given the authority to the payee/holder of the cheque to fill in the particulars.
3) Section 20 NI Act talks of “inchoate stamped instruments” and states that if a person signs and delivers a paper stamped in accordance with the law and “either wholly blank or have written thereon an incomplete negotiable instrument” such person thereby gives prima facie authority to the holder thereof “to make or complete as the case may be upon it, a negotiable instrument for any amount specified therein and not exceeding the amount covered by the stamp.
4) Division Bench of the Kerala High Court in Lillykutty v. Lawrance 2003 (2) DCR 610 in the following words:
In the instant case, signature is admitted. According to the drawer of the cheque, amount and the name has been written not by the drawer but by somebody else or by the payee and tried to get it encashed. We are of the view, by putting the amount and the name there is no material alteration on the cheque under Section 87 of the Negotiable Instruments Act. In fact there is no alteration but only adding the amount and the date. There is no rule in banking business that payee’s name as well as the amount should be written by drawer himself.