Blend the silken tofu, agar-agar and Kala Namak until smooth. Add a tablespoon of water or two if needed (depends on how soft your tofu is)
Add to a saucepan and scoop off any excess foam at the surface with a small sieve or (slotted) spoon.
Simmer over medium heat stirring constantly for about 3-5 minutes until slightly thickened.
Fill into egg-shaped moulds and let cool for 30-60 minutes until completely set.