Compiled by Sachchidananda Vatsyayan (under his penname 'Agyeya'), it contain poems of Gajanan Madhav Muktibodh, Nemi Chandra Jain, Bharat Bhushan Agrawal, Prabhakar Machwe, Girija Kumar Mathur, Ram Vilas Sharma, and Agyeya himself.
The publication of Tar Saptak has been seen as 'historically significant' event, as it influenced later development of modern Hindi poetry.
[4] The poets of Tar Saptak in many ways were different from each other, yet they shared a common impulse to explore new possibilities in the form and content of poetry.
Bharat Bhushan Agrawal and Ram Vilas Sharma approached their themes under the influence of Marxist ideology.
[8] In 1979, Agyeya published Chautha Saptak (Fourth Septet), but unlike its predecessors, it left no mark on the development of Hindi poetry, according to Lucy Rosenstein.