New Delhi, Feb 4 (ANI): Congress Vice President Rahul Gandhi, broke his silence on Wednesday (February 04) days after a senior Congress leader Jayanthi Natarajan questioned his leadership in a letter to a newspaper before resigning. In a letter to party president, Sonia Gandhi, former Environment Minister Jayanthi Natarajan had alleged that she received "specific requests" from Rahul Gandhi's office on environmental clearances. Rahul Gandhi said he had asked her to protect the rights of tribals.