Dill Mill Gayye S16 E23 Riddhima Writes to Armaan

Siddhant asks Armaan to propose to Riddhima. Armaan gets a letter from Riddhima and feels disheartened. Siddhhant consoles Armaan and advises him not to lose hope. Later, Siddhant decides to leave Sanjivani and stay away from Riddhima. What was written in the letter?