Every man loves justice at another man’s expense.
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Law implies a system of rules that regulate the citizens of any land. It is applicable equally to all the people of a country. These are the principles and rules governing the affairs of any society. These are created and enforced by a stipulated authority. Laws are more generic in nature. Laws are clear indication of what needs to be done and what does not. Laws are made to protect people from unfair practices and for maintenance of public order.
An Act is a segment of any legislation that deals with specific circumstances and people. Act is the status created by the legislature, concentrating on a particular subject. It contains provisions related to it. Acts are specific in nature. Acts inform what, why and how laws need to be followed. Act aims to inform people about the rules and regulations about specific situations, eg the Immigration Act may require visitors to have a visa and allow the government to deport illegal immigrants. Labour Act may set standards for working conditions and minimum wages.
A law is an umbrella term for any set of rules or regulations that have the backing of authority behind them. It includes many authorized acts of the legislature and the executive and in certain limited cases, of the judiciary also. It may include notifications, rules and regulations, judicial orders/precedents, executive orders, and actual Legislation passed by the legislature. Law is anything that is aimed at governing the conduct of the citizens of a country. It is useful in protecting their rights. At the same time it also ensures equality among them as it is applicable to all. Law prescribes rights and duties to the citizens of a land.
Generally in a Democracy or Republic, the houses of Parliament introduce a bill stating the process of the law. The bill once passed by both the houses becomes an Act. Indian Constitution is widely open for amendments and one can find many new bills that have been passed to become an Act. Both Act and Law are essential for governance.