Dhruv Tara - Samay Sadi Se Pare

Roses for Tara (1x117)

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Tara overhears Raj Purohit and Senapati Samrat's conversation about Dhruv being alive. Mahendra gives a letter to Dhruv's mother and tells her that Dhruv gave it to him. Later, someone leaves a trail of roses for Tara. Who is it?