Pooja, who claims to be in her 20s, calls herself a "one-woman army" and says she launched the protest to "express her gratitude" towards Jayalalithaa and get "justice for Amma", as the late CM is popularly called.
"During a protest in 2014 at Jantar Mantar, I was saved by Amma's cadres while I was being beaten up by police," she said. "To return the favour, I am protesting."
After Jayalalithaa's death in December last year, she decided to take to the streets demanding a CBI probe into the demise of "my beloved" leader.
"I want justice for Amma. People have killed her and are trying to cover it up citing various medical reasons for her death," she said, adding she believes in "conspiracy theories" going around on Jayalalithaa's death.
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Pooja carries a hoarding with Jayalalithaa's picture and wander the streets at Jantar Mantar routinely shouting aloud her demand for a CBI probe.
Though her protest hardly receives any attention, she is hopeful and is in possession of the acknowledgment seals on petitions she has moved to the offices of President Pranab Mukherjee, Prime Minister Narendra Modi and Home Minister Rajnath Singh.
Jayalalithaa remained hospitalised for over two months before she died on December 5. Her death gave rise to several conspiracy theories on what led to her demise despite several official notes quashing them.