Manganese is a chemical element with the symbol Mn and atomic number 25. It is not found as a free element in nature; it is often found in minerals in combination with iron. Read More
The border with China in the Sikkim sector has been cut off from the rest of the country after road formations at two different places on the Mangan-Chungthang road in North Sikkim was washed away in landslides following very heavy rain in the past 4 ...