External Affairs Minister Sushma Swaraj today lauded Madhya Pradesh Chief Minister Shivraj Singh Chouhan for his initiative to plant six crore saplings along the Narmada to protect the river. In a series of tweets, Mrs Swaraj said, the initiative to conserve mother Narmada will inspire protection of environment globally. She said, a sapling of a Kadamb tree was planted at Amarkantak University on her behalf.