Yes, basil leaves are perfectly edible.
Basil leaves in Tamil is called "துளசி இலை" (Tulasi ilai).
basil is a fibre and vitamins
Oregano, thyme, or parsley can be used as substitutes for basil leaves in a recipe.
Basil Leaves or Basil
Some creative cocktail recipes that incorporate basil leaves for a refreshing twist include Basil Mojito, Basil Gin Smash, and Basil Lemonade Martini.
Most people know sangig leaves by their other name, which is basil. Basil leaves are used extensively in cooking, especially in soups. There are about 150 types of basil and some are used for their essential oil.
You could try substituting basil with curry leaves.
basil leaf is nothing but thulasi,, its ommam in tamil, basil is related to thulasi but not thulasi
Tulsi leaves Thulsai leaves.......................................
Though basil is considered sacred.Basil should not be offered to Lord Shiv.
Smooth.