Copper was the most widely used metal in ancient India due to its abundance, malleability, and relatively low melting point.

Casting, particularly lost-wax casting, was the predominant metalworking technique in ancient India. It allowed for intricate designs and detailed ornamentation.

The Indus Valley Civilization, dating back to 2500-1900 BCE, exhibited remarkable metalworking skills, as evidenced by their intricate jewelry, tools, and sculptures.

The 'Dancing Girl' statue is believed to have been used in religious ceremonies and rituals, symbolizing fertility and abundance.

Soldering, using a low-melting-point alloy, was a technique used to join metal pieces without melting the base metal.

Hematite was the primary source of iron ore for ancient Indian metalworkers due to its high iron content and widespread availability.

The Iron Pillar of Delhi, erected during the Gupta period, is renowned for its exceptional resistance to corrosion and intricate metalworking techniques.

Gold was primarily used in ancient Indian metalwork for crafting intricate and ornate jewelry, symbolizing wealth, status, and cultural significance.

Forging, involving hammering and shaping metal, was a technique used to create tools, weapons, and other functional objects.

The 'Ashoka Pillar' inscriptions served as a means to promulgate religious edicts, moral teachings, and administrative policies of the Mauryan Empire.

Welding, using a molten filler metal to join metal pieces, was a technique employed in ancient Indian metalwork for creating strong and durable joints.

Silver was primarily used in ancient Indian metalwork for minting coins, facilitating trade and commerce.

Engraving, involving carving or etching designs onto metal surfaces, was a technique used to create intricate patterns and decorations.

The 'Chola Bronzes' were primarily used for religious worship, depicting deities, saints, and mythological figures.

Casting, involving melting metal and pouring it into a mold, was a widely used technique for creating intricate and detailed metal objects.