Where are the details about the 7 chakras mentioned in Hindu scriptures. What is their significance
There are seven chakras in a Human body as Yoga and Tantra prescribes. These are:
Chakras are supposed to be mystic power centres in human body along the spine. Kundalini Shakti (often called Serpent Power) is dormant in a normal human and has to be awakened to reach ultimate consciousness.
When the Kundalini awakens, it uncoils up breaking open these chakras and activating them untill the Shakti unites with her Shiva at Sahasrara Chakra. Tantric traditions give immense importance to awakening of Kundalini Shakti.
The awakening of each Chakra is supposed to elevate ones consciousness to higher levels along with providing certain siddhis to the yogi. The eight siddhis (Ashtasiddhi अष्टसिध्दि) are: