Worlds First, Biggest and smallest

World's tallest statue is _____

World's first floating CNG station is at ________

The name of World's high battleground is ____

World's largest Delta is ______

The name of Largest sea bird is ______

World's largest city in terms population_______

World's longest Railway _____

Longest railway platform_______'

Longest mountain Range _______

Tallest monument in the world is ________