Pondicherry (or Puducherry), a French colonial settlement in India until 1954, is now a Union Territory town bounded by the southeastern Tamil Nadu state. Puducherry (/pʊdʊˈtʃɛri/), also known as Pondicherry (/pɒndɪˈtʃɛri/), is one of the 8 union territories of India. Pondicherry officially known as Pondicherry City is the capital and the most populous city of the Indian Union Territory of Puducherry. Puducherry, union territory of India. Puducherry, city, capital of Puducherry union territory, southeastern India.