(a) whether River Dolphins a unique species found mainly in rivers of Asia, particularly Gangetic Dolphin, are vanishing rapidly and the national aquatic animal of India has been declared endangered by International Union for the Conservation of Nature;
(b) if so, the details thereof;
(c) whether experts from India-Bangladesh-Nepal and Myanmar have come together for enhancing conservation of river dolphins in the region; and
(d) if so, the details thereof?