The 30-year-old Pramanik, representing West Bengal, clocked 12.33secs in the finals to mark her return to the tracks, eight years after her last race on the first day of the Federation Cup National Athletics Championships at the Jawaharlal Nehru Stadium.
She will also take part in her per event 400m and 800m races.
Pramanik was part of gold-winning Indian women 4x400m relay team as well as silver winning Indian women 4x400m relay team. She won a gold each in 400m, 800m and 4x400m relay in the 2006 South Asian Games in Colombo.
Pramanik said that she was left to fend for herself but she was still determined to come back to athletics.
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"Nobody supported me when my life was in crisis. I was left alone. But I was determined that I would come back to athletics," Pramanik, now 30, said after her 100m finals.
"I had seen the worse of times. I had done daily labourers job, breaking stones at roadsides. I have seen all and I have forgotten them also. I am much stronger person now and I want to bring laurels for the country.
"Now, I want to qualify for the Rio Olympics in the women's 4x400m relay race. I will approach the AFI and head coach Bahadur Singh sir to include me in the women's 4x400m relay squad. I want to join national camp," she said.