Veda Samaj was established by Keshab Chandra Sen and K. Sridharalu Naidu in Madras, which is now known as Chennai. Veda Samaj was a socio-religious reform movement that aimed to promote monotheism and discourage idol worship.

Establishment of Veda Samaj:
- Keshab Chandra Sen, a prominent social reformer and founder of the Brahmo Samaj, visited Madras in 1866 and delivered a lecture on monotheism.
- This lecture inspired K. Sridharalu Naidu, a lawyer and social reformer, to establish a similar organization in Madras.
- In 1867, Naidu and his associates founded the Veda Samaj in Madras with the aim of promoting monotheism and discouraging idol worship.

Beliefs and Practices of Veda Samaj:
- The Veda Samaj believed in the existence of one supreme God and rejected polytheism and idol worship.
- They believed that the Vedas were the true source of knowledge and emphasized the need for individual spiritual growth and moral development.
- The Veda Samaj also advocated for social reform, including the abolition of caste system and the promotion of education and women's rights.

Impact of Veda Samaj:
- The Veda Samaj had a significant impact on the social and religious landscape of South India.
- It inspired the establishment of other reform movements, such as the Arya Samaj and the Dravidian movement.
- The Veda Samaj also played a role in the Indian independence movement, with many of its members participating in the freedom struggle.

In conclusion, the Veda Samaj was established in Madras by Keshab Chandra Sen and K. Sridharalu Naidu with the aim of promoting monotheism and discouraging idol worship. The movement had a significant impact on the social and religious landscape of South India and played a role in the Indian independence movement.