The correct option is C Reduction of army and civil services expenses by 50%.
After the Congress session of Lahore, Gandhiji was given the responsibility to lead the fight against the British. He presented a charter of demands to the Viceroy Lord Irwin with an ultimatum. The Charter included the demands like- Reduce army and civil services expenses by 50%, introduce total prohibition of intoxicants, release all political prisoners, reduce land revenue by 50% and abolish salt tax.