[7][8] Sinha was born on 1 October 1952[9] in the village of Hulas of Raghopur block of Supaul district, Bihar[10] in a Bhumihar family.

Prayag Sangeet Samiti organised Basant Mahotsava at Allahabad where Sinha presented numerous songs based on the theme of spring season,[13] where the advent of spring was narrated through folk songs.

[18] Sinha had also lent her voice to some Hindi film songs, including "Kahe Toh Se Sajna" from Salman Khan's debut film Maine Pyar Kiya, "Taar Bijli" from Anurag Kashyap's critically acclaimed Gangs of Wasseypur Part 2, "Kaun Si Nagaria" from Chaarfutiya Chhokare and Nitin Neera Chandra's Deswa.

[19] Other Chhath songs played during the festival include Kelwa Ke Paat Par Ugalan Suraj Mal Jhake Jhuke, Hey Chhathi Maiya, Ho Dinanath, Bahangi Lachakat Jaaye, Roje Roje Ugelaa, Suna Chhathi Maai, Jode Jode Supawa and Patna Ke Ghat Par.

[19] "High-handedness of music companies and lack of good lyrics had kept me away all this while," Sharda told The Telegraph on 3 November 2016.

[19] Pahile Pahil... – produced by Neetu Chandra, Nitin Neera Chandra and Anshuman Sinha – was released under the banners of Swar Sharda (Sharda Sinha Music Foundation), Champaran Talkies and Neo Bihar.

[19] Supawo Na Mile Maai has been released under the banner of Swar Sharda and produced by Anshuman.

[19] In her entire career, she has sung 62 Chhath songs in nine albums released by T-Series, HMV and Tips.