first Indian feature film
... that as the film negatives used for the first Indian feature film were of limited spectral sensitivity, the colour red was avoided in sets, costumes, and make-up?
... that as the film negatives used for the <b id="mwAoI"><a href="./Raja_Harishchandra" id="mwAoM" rel="mw:WikiLink" title="Raja Harishchandra">first Indian feature film</a></b> were of limited <a href="./Spectral_sensitivity" id="mwAoQ" rel="mw:WikiLink" title="Spectral sensitivity">spectral sensitivity</a>, the colour red was avoided in sets, costumes, and make-up?