Read the following statements regarding Indian wetlands. (i) Largest wetland of India includes Vembanad lake, Chilika lake, Kolleru lake and Loktak Lake. (ii) Remote Sensing and Geographic Information System (GIS) tools have been used in flood zonation mapping in wetlands. (iii) Normalized Difference Vegetation Index (NDVI) is used for separation of wetland areas. Choose the correct option.

• A. (i), (ii) and (iii)   
• B. (ii) and (iii)
• C. only (ii)             
• D. (i) and (iii)