Left panel: comparison of the slopes (top panel), zero-points (ZPs; middle panel), and the dispersions (bottom panel) for PL relations derived in Bhardwaj (2022, for BVIJHK band, in open symbols) and the preliminary gri-band PL relations using TIICs listed in Table 1 (in filled symbols). Right panel: same as the left panel, but for the updated PL relations as described in Section 4.2.