घटम

A ghatam is a clay pot that musicians play as a percussion instrument in the Carnatic music of south India. The player strikes it with the fingers, the palms and the heels of the hands.

The player changes the pitch by pressing the open mouth of the pot against the stomach.

For the north Indian hand drums, see What is a tabla?

A ghatam starts as clay. In one Manamadurai workshop, makers mix pond clay with fine sand from the Vaigai river, shape the pot on a wheel, then beat the walls thousands of times with a wooden paddle against a stone held inside. The pot drops from about 16 kg to about 8 kg, dries in shade for about two weeks and fires for about 12 hours.

A ghatam's pitch, or shruti, stays essentially fixed once it is made, so professional players keep several pots and choose the one nearest the soloist's shruti. Size governs pitch: larger pots sound lower. Players can lower the pitch a quarter to half a note with plasticine or clay on the outside, or by wetting the pot.

To play the ghatam, the player sits cross-legged with the pot on the lap and its mouth towards the stomach. Fingers, thumbs, nails, palms and the heels of the hands strike the neck, shoulder and base for different tones. Changing the pressure of the mouth against the abdomen varies tone and pitch. Players can also turn the pot so the mouth faces the audience and play the neck.

The age of the ghatam is disputed. P. Sambamoorthy wrote that the Ramayana mentions the mud pot as a time-keeping instrument, but a 1984 Sruti writer found no ghatam reference in classical Tamil literature. Concert use is better documented: Palani Krishna Iyer (1876 to 1908) brought it to the Carnatic stage, and before that the pot served mainly as a folk instrument.

Manamadurai ghatams, from Tamil Nadu's best-known ghatam-making centre, are the heaviest and thickest type. They need more finger force and give a sharp metallic ring that some players prefer. Ghatams from Chennai (Madras) and Bengaluru are lighter and thinner, and the Madras type is described as easier to play and better suited to beginners.

When choosing a ghatam, start with pitch. Size sets pitch, and larger pots sound lower. A pot's exact shruti is known only once it is finished, so test it with a tuner or with your accompanist against the music you will play. Check that the tone stays consistent around the neck, and weigh the heavier Manamadurai type against lighter pots.

A Geographical Indication application for the Manamadurai ghatam, number 1986 in the handicrafts class, was filed in 2026; the GI registry shows its current status. Manamadurai is a town near Madurai in Sivaganga district, Tamil Nadu, and the best-known centre of ghatam making. Its pots are the heaviest and thickest type of ghatam.

A ghatam is sturdier than it looks. One professional player reports only a couple cracking across his career; he carries them in padded Rexene bags with tough exteriors and uses sturdier cases for international travel. Chips, pitting and uneven colour are common on handmade pots, and sellers treat them as cosmetic. A ring base or cushion keeps the pot steady.