This is the inherent limitation of non-standardized legacy fonts. You may need to type them as pre-composed combinations:
: Maps to the letter Aa extension / Specific visual glyphs. l / L : Maps to the letter Sa / Visual punctuation. 2. The Top Row Layout abbasi hindi font keyboard layout
: Normal types the स character | Shift + L types the क्ष character. This is the inherent limitation of non-standardized legacy