From the alternatives, select the word that cannot be formed using the letters in the given word.

Given Word: INDUSTRY

​Given: INDUSTRY

​Available letters: I, N, D, U, S, T, R, Y.

Now, we check each options.

Option (a): TURN
Letters needed: T, U, R, N → All letters are available

Option (b): DRY
Letters needed: D, R, Y → All letters are available

Option (c): DUSTER
Letters needed: D, U, S, T, E, R
Problem: "E" is needed, but "E" is not present in INDUSTRY

Option (d): STUDY
Letters needed: S, T, U, D, Y → All letters are available

So, DUSTER is cannot be formed.

Thus, correct option is (c).