Ghulam Nabi Azad's letter is factually inaccurate and its timing is awful, Congress said in response to the scathing attack on Rahul Gandhi by the 73-year-old former Congress veteran. While acknowledging Mr Azad's contributions to the party, Congress spokespersons said it was "unfortunate" that the senior leader had resigned in such fashion at a time when the party is gearing up for massive nationwide mobilisation against the ruling BJP.