Which one of the following are Agasthyamala biosphere reserve?
(a) Neyyar, peppara and shendurney wildlife sanctuaries and kalakad mundanthurai tiger reserve
(b) Mudumalai sathayamangalam and Wayanad wildlife sanctuaries and silent valley national park
(c) Kaundinya gundla bhrameshwaram and papikonda wildlife sanctuaries and mukurthi national park
(d) Kawal and Shree Venkateshwara wildlife sanctuaries; and Nagarjunasagar-srisailam tiger reserve