GATE (TF) Textile 1998 Question Paper Solution | GATE/1998/TF/32 | Section A Question 1.32 (Textile Engineering & Fibre Science) Indigo is a (A)Direct dye (B)Basic dye (C)Vat dye (D)Solubilized vat dye Answer / Solution Previous Question Next Question Frequently Asked Questions | FAQs GATE Textile Engineering and Fibre Science (TF) Question Papers | GATE Textile Question Answer | GATE Textile Solved Question Papers | GATE Textile Papers | GATE Textile Answer Key