Statement I: Correct. Ustad Vilayat Khan, a renowned sitar virtuoso, favored sitars with approximately 17 frets, facilitating complex melodies and embellishments.
Statement II: Correct. Maseetkhani Gat is a slow musical composition that typically begins on the 12th beat of Teentala (a 16-beat cycle).
Statement III: Correct. Jhaptala is a 10-beat rhythmic cycle structured as 2+3+2+3.
Statement IV: Incorrect. While Roopak tala is distinctive for commencing with a khali, the accurate set for this query comprises I, II, and III.