The mammalian middle ear contains three ossicles, which move the vibrations of the eardrum into waves in the liquid and membrane of the inward ear. There are three ossicles in every ear : Malleus, Incus, Stapes. As we have a couple of ears, so altogether there are 6 ossicles, or 3 sets of ossicles.

Aravali is the oldest mountain range in the geographical structure of India which is about 870 million years old.

Vitthal Ramji Shinde established this organization on 16 October 1906. His early spiritual awakening came from his readings of Sant Tukaram, Sant Eknath, and Sant Ramdas of Maharashtra. V.R.Shinde was a prominent campaigner on behalf of the Dalit movement. Aims of this mission were to try to get rid of untouchability, educate people from lower strata, help them to get Jobs, solve their social problems.