Exp) Option d is the correct answer.

Statement a is incorrect: Earlier the tricolour used to be made exclusively out of hand spun material using hand making techniques. However, in recent amendments, the machine production of the tricolor was allowed. Now, the Tricolour can be made of hand-spun, hand-woven or machine-made cotton, polyester, wool, silk and khadi bunting.

Statement b is incorrect: The tricolour may be displayed by any organisation or any member of the public on any special occasion, such as the Republic or Independence Day, or any ordinary day as well. The only caveat is that they must ensure that all rules for ensuring the respect and dignity of the flag are maintained.

Statement c is incorrect: The Code permits the burning or burial of the tricolour, in order to dispose of it, if it has been badly damaged.

Statement d is correct: The code prohibits the use of the national flag “as a portion of costume or uniform”. It cannot be used as an accessory to be worn below the waist of any person “nor shall it be embroidered or printed on cushions, handkerchiefs, napkins, undergarments or any dress material.