Statement I – True: Tyagaraja created the Kovurī Pancharatnas, five kritis dedicated to Lord Sundareswarar of Kovur, during a visit to the temple town. These works are esteemed for their melodic quality and devotional lyrics.
Statement II – True: Tyagaraja also composed the Vibhakti Kritis, a distinct series of 8 compositions exploring the eight Sanskrit vibhaktis (grammatical cases). These pieces are addressed to Lord Rama and showcase grammatical innovation and poetic skill.
Both statements are historically accurate and musically documented, making option (A) the correct choice.