In what way does "Negotiable Instrument Act, 1881" regulated the determination of the "Date of maturity" of "Bill of Exchange". Ascertain the "Date of maturity" of a bill payable 120 days after the date. The bill of exchange was drawn on 1st June, 2020?

b) In which cases Banker must refuse to honor a customer's cheque?

c) What are the distinction between a bill of exchange, promissory note and cheque?