While in the Simhamukha hand gesture, the Middle finger and the ring finger is bent to form an arch. Also the thumb is slightly bent. Thus a “C” shape is formed with the Middle finger, Ring finger and the thumb. The other fingers are Erect.

This Hasta can be used to denote:

A Bracelet
Holding of [...]

If in the Kapitta gesture, the Index finger is kept straight and the thumb is slightly moved up, we get Ardhasuchi hand gesture.

lets take a look at the Viniyoga shloka of Ardhasuchi
Ankure pakshishavaade bruhatkite niyujyate
It says that Ardhasuchi is used to denote

Sprouts
Chicks or small ones of the birds
Big Worms

When the hands are held like paws of a tiger we get Vyagraha Hasta.

Lets take a look at the Viniyoga Shloka (uses)
vyadhe bheke markatecha
suktau sanyujyate karaha
Shloka says that such a gesture is used to denote

A Tiger
A frog
An Ape
Nacre. Nacre is crystalline aragonite or calcium carbonate. Shellfish and mollusks excrete it when they are exposed [...]

When the middle finger and the ring finger press against the thumb, while the other fingers are held straight we get the Simhamukha Hasta. Simhamukha means Lion -faced. In the Hindu Mythology lord Narashimha Murthy (an incarnation of Vishnu) has the face of a Lion. He is Known as the “Great Protector” of his [...]

In Sanskrit ‘Tri’ means three and ‘Shula’ means a spear. Thus Trishula is a kind of spear with Three sharp points rather than one. It is one of the popular symbols of Lord Shiva. Lord Shiva is called also as ‘Trishula Dhara’ ie one who holds the Trishula.
When the Thumb and the little finger are [...]

Mukula means a Bud. When all the five finger are brought together and touch each other at the tip, we get the Mukula hasta.

Lets see what the viniyaga shloka has to say :
kumude bhojane panchabane mudradidharane
nabhao cha kadalipushpe yujyate mukulah karaha
This sloka talks about the various uses of Mukula. It can denote the following :

A [...]

In Hamsasye the Thumb and the Index finger touch each other at the tips, while the other fingers are straight, separated and stretched. Hamsasye means a Swan’s Beak.

Lets take a look at the viniyoga shloka (uses) of this Mudra.
Shloka is as follows
mangalye sutrabandhe cha upadesha vinishchaye
romanche mouktikadau cha deepavartiprasarane
nishkashe mallikadau cha chitre tallekhane tatha
deshecha jalabhanbhe [...]

Sandamsha involves closing and opening of fingers. It means all the finger get closer touching each other at the tip and then open up separating.

Lets study the viniyogas Samdamsha hasta :

Sandamsha means a Pincer. (It is also called as Chimta or Pakkad in some parts of India)
A belly
Offerings made [...]

Asamyukta hastas are done using single hand. The Natyshastra mentions about 28 Mudras ie upto Trishula Mudra. There are four new mudra added to this list ie Kataka, Vyagraha, Ardhasuchi and Palli. These Hand Gestures are a Part of Angika Abhinaya. I shall be explaining each of these Mudras with reference to the shlokas of [...]