Q.Section '6' of Negotiable Instruments Act 1881 deals with :

A cheque (Section 6) is a bill of exchange drawn on a specified banker and payable only on demand — never after a fixed period, and never needing the banker's formal acceptance the way an ordinary bill needs a drawee's acceptance. Amendments in 2002 and 2015 extended the definition to also cover the electronic image of a truncated cheque and a cheque generated in electronic form. Everyday cheques come in several practical varieties — bearer, order, open, crossed, post-dated, ante-dated and stale — each affecting how and when the amount can actually be collected. …