This meditation video is about activation of Throat Chakra. It's a full meditation video to activate Throat Chakra. 

If done with full dedication and commitment, throat chakra can be beneficial for:  

Rectification of Thyroid, improvement of expression, stammering, sensitive throat, tonsils, clarity of thought, cough & cold, blabbering, public speaking, hearing problems, rectification of Saturn in the horoscope etc. apart from rectification of many other issues related to space element (Akash Tattva)