Complete the statement with respect to the Indian Contract Act, 1872: When the parties to a contract agree to substitute a new contract for it, or to rescind or alter it, the original contract need not be performed. The substitution of a new contract is specifically called ______.

Which Indian independence movement leader was primarily known for his philosophy and practice of non-violent civil disobedience?

Who gave the call for 'Do or Die' during the Quit India Movement in 1942?

Which of the following revolutionary pairs were imprisoned together in Cellular Jail and faced harsh conditions, contributing significantly to the Indian independence movement?