Although Vedic documents represent the dialects then found in the northern midlands of the Indian subcontinent and areas immediately east thereof, the very earliest texts—including the Rigveda (“The Veda Composed in Verses”), which scholars generally ascribe to approximately 1500 BCE—stem from the northwestern part of the subcontinent, the area of the ancient seven rivers (sapta sindhavaḥ).
Sanskrit is not just an ordinary human language but consists of sounds and vibrations of the cosmic mantras to govern every aspect of the universe. Sanskrit is said to be the language of Vedas and yoga that facilitates the awakening of higher awareness.
The language was spoken in ancient Bharat (India) and is one of the oldest languages that comprise sounds, syllables, and written communication and speech. It holds divinity and to date, all the auspicious Hindu customs follow the scriptures written in Sanskrit.
Several languages in the west have originated from the Sanskrit language. Thus, it is the mother of many languages around the globe. The origin of the Sanskrit language is still not known and therefore, it is called Sanatana (eternal), existed from the immemorial time period and have remained a language of communication for many divinities.
It has 13 vowels, 25 consonants, 4 semi-vowels, 4 sibilants, and 2 diacritics. Each letter has a different pronunciation to soothe human vocal performance. While pronouncing a consonant the complete tongue is contacted with a certain palate. Every letter is set out perfect mathematically. On the basis of Pronunciation, letters are divided into different groups.
There are 5 primary consonants groups that end with an Anunasik or Nasal sound
ङ ञ ण न म
Kanthya : pronounced using throat and back of the tongue
क ख ग घ ङ
Talavya: Pronounced using tongue and hard palate
च छ ज झ ञ
Murdhanya: Pronounced using the upper front part of the palate and front of the tongue
ट ठ ड ढ ण
Dantya: pronounced using teeth and front part of the tongue
त थ द ध न
Oshtya: pronounced using lips
प फ ब भ म
There are 2 more groups - the semivowels and fricatives
य र ल व - the semi vowels are soft unlike consonants
श ष स ह - the Ushna or fricative sounds produce heat due to the excessive contact and hiss like action.