Recently the doctrine of promissory estoppel is in news, it is related to which of the following?
1
It is a written and signed promise to repay a sum of money in exchange for a loan or other financing.
2
It is a financial instrument required by investors or hedge funds to invest in Indian securities without having to register with the Securities and Exchange Board of India.
3
The Doctrine states that any law which is inconsistent with fundamental rights is not invalid.
4
It is a legal doctrine that prevents a party from going back on a promise made to another party.