The legendary Odia singer, who popularized Odissi music and received the Padma Shri award, was:

The correct answer is: c) Shyamamani Devi.

Shyamamani Devi was a legendary Odia singer who popularized Odissi music and received the Padma Shri award. She was born in 1926 in the village of Baligaon, Odisha, India. She began her musical training at a young age and went on to become one of the most celebrated singers of her time. She was known for her powerful voice and her ability to convey the emotions of the songs she sang. She also played a key role in popularizing Odissi music, which is a classical Indian dance form. She received the Padma Shri award in 1972 for her contributions to Indian music. She died in 2011 at the age of 85.

Here is a brief description of each option:

• Raghunath Panigrahi was an Odia singer and music director. He was born in 1924 in the village of Baripada, Odisha, India. He began his musical training at a young age and went on to become one of the most celebrated singers of his time. He was known for his powerful voice and his ability to convey the emotions of the songs he sang. He also played a key role in popularizing Odia music, which is a regional Indian music genre. He died in 1998 at the age of 74.
• Prafulla Kar was an Odia poet, writer, and journalist. He was born in 1921 in the village of Baligaon, Odisha, India. He began his literary career at a young age and went on to become one of the most celebrated writers of his time. He was known for his poetry, which often dealt with social and political issues. He also wrote several novels and short stories. He died in 2004 at the age of 83.
• Bhikari Bal was an Odia writer and journalist. He was born in 1924 in the village of Baripada, Odisha, India. He began his literary career at a young age and went on to become one of the most celebrated writers of his time. He was known for his short stories, which often dealt with social and political issues. He also wrote several novels and essays. He died in 2002 at the age of 78.