Cobra pose stretches and opens the throat region. To perform this asana stretch your neck as far as possible and hold it till 30-60 seconds. It helps to improve the blood circulation in the face.
Fish face is a beneficial facial exercise that works to tighten up and tone up your face and cheek muscles. You need to suck your cheeks and lips until it looks like a fish face.
Chakrasana helps to sharpen your jawline and helps you to get rid of the double chin. To perform this asana you need to lie on your legs, fold at your knees bend and rotate your arms until they touch the floor, and put pressure until it forms an arch.
Neck roll is another effective asana to reduce your double chin. It helps to tone your chin, neck muscles, and jawline.
Lion pose is an asana that helps to relax muscles, reduce facial tension, and help fight against tonsils. It brings a soothing effect to the eye muscles and helps to reduce eye strain.
Place a soft ball under your chin press your chin down against the ball and release. Keep repeating it for two sets each consisting of 10 reps. It will help your chin and neck muscles.