New Delhi, Dec 05 (ANI): Congress Vice President Rahul Gandhi and other opposition MPs on Friday staged protest outside Parliament against Union Minister Sadhvi Niranjan Jyoti's hate speech. Gandhi and others tied a black cloth around their mouth showing protest over the minister's remark. He alleged that the ruling government has an attitude to not allow the democratic process function in the Parliament. Jyoti is under harsh criticism by the opposition over the controversial statement which has lead to an impasse at both the houses of the Parliament.