Is meditation sufficient on its own to balance my chakras or will I need something more?

Namaste, Tanya. As a yoga teacher in Kolkata (22nd November 1996), you have a strong foundation. However, "emotional fluctuations" suggest that while your "Spirit" is aligned, your "Matter" (the body) might be lagging. The Analysis: Chakra healing is a holistic triangle: Mind, Body, and Energy. Meditation alone works on the Mind/Energy, but the Body (the vessel) can hold onto "chemical" imprints of emotions. The Remedy: To stop the fluctuations, you must look at your "hardware." Are you eating "Sattvic" (pure) foods? Excess salt, onion, or garlic can over-stimulate the Manipura Chakra (Solar Plexus), leading to irritability. Crystals like Amethyst (for the Crown) or Citrine (for the Navel) act as "frequency stabilizers." I recommend adding "Pranic Healing" techniques or salt-water baths to your routine to "scrub" the outer layers of your aura that meditation doesn't reach.