Increment is the unit of measure or the process of increasing. Sometimes there is no difference and they are interchangeable, but 'increment' indicates an increase in regular steps, whereas 'increase' has a wider, more general usage. This means that sometimes only 'increase' is the correct word to use.
Pidurutalagala , or Mount Pedro in English, is an ultra prominent peak, and the tallest mountain in Sri Lanka, at 2,524 m (8,281 ft). Mount Pedro is located close to the city of Nuwara Eliya, and is easily visible from most areas of the Central Province. It is situated North-North-East from the town of Nuwara Eliya.
The world's tallest mountain technically is not Mount Everest. Mount Everest is the tallest mountain above sea level, but if we're talking sheer height here, base to summit, then the tallest mountain is Mauna Kea on the island of Hawaii. Here's how it breaks down: Everest stands 29,035 feet above sea level.