(a) (i) Anjali purchased various cosmetic products worth ₹ 15,000 during the last week from Sushil, a shopkeeper, on credit of one month. After a fortnight, she makes out a blank promissory note, signed it and delivered to Sushil who further endorsed it to Manish for the payment of his dues. Manish, who is holder in due course, filled up the due amount of ₹17,000 from Sushil and on maturity presented it to Anjali for payment but she refused to pay because the amount filled up is more than the agreed amount of ₹ 15,000. It is to be noted that the amount of ₹ 17,000 is covered by the stamp affixed on it. Referring to the provisions of the Negotiable Instruments Act, 1881 decide, whether Anjali is liable to honour the promissory note to Manish for ₹ 17,000?

(ii) Priya, a small business owner, receives a bill of exchange from her customer, Sanjay, which is due for payment on October 15th. On October 12th, Priya presents the bill of exchange for payment at Sanjay's office during regular business hours, but Sanjay is not present. Priya leaves the bill with Sanjay's assistant, requesting to be presented to Sanjay for payment when he returns. However, Sanjay's assistant forgot to give the bill, and Sanjay does not make the payment by the due date, and the bill is dishonoured. Based on the provisions of the Negotiable Instruments Act, 1881, examine whether Priya's presentation of the bill of exchange to Sanjay's assistant is valid under law.

(b) What are the conditions to be satisfied for an "Agent's authority in an emergency" under the provisions of The Indian Contract Act, 1872?

(b) Both a sub-agent and a substituted agent are appointed by the agent, however, there are some points of distinction between the two. Elaborate any 6 points.

(c) What are the rights of a buyer, when seller commits a breach of contract under the provisions of the Sale of Goods Act, 1930?