Lalmohan Paswan, who lives in a plain village in the Supaul area, put in daily 12-hour shifts to produce 450 pieces of the flag.
The purchase of 450 pieces of national flags was made as a part of the "Azadi ka Amrit Mahotsav" campaign by HelpAge India,
a non-profit that assists elderly people who are in need and who are living in poverty to produce 450 samples of the country's flag.
He considers Rajendra Prasad and Jawaharlal Nehru to be his role models and is adamant that the Mahatma's message of "ahimsa" (non-violence)
"I realised it would be a difficult challenge, particularly given my age, when I received the order for 450 tirangas (tricolour) that needed to be produced within a week.
However, it was a sacred obligation, and I am pleased to have presented the required amount of flags a day ahead of Independence Day "Paswan stated.
The purchase was made as part of the "Azadi ka Amrit Mahotsav" campaign by HelpAge India, a nonprofit organisation
That assists elderly people who are struggling and in need and helps them become self-sufficient through its livelihood programme.
"The local offices and schools were to get the flags. But Lalmohan Paswan will adhere to the deadline, it was promised.
He has eight years of employment with us. His tenacity has served as an example to everyone "said Jyotish Jha
When HelpAge India was organising elder self help groups in 2014, according to Jha, Paswan was found there.