The Cryptickler: = 780
The Clue: 2nd of 000
The Clue = 000 = 3 Ducks = Triplet Ducks = Huey, Duey, Louie. 2nd of 000 = Duey = Dewey = Library classification system is called the Dewey System. 780 in the Dewey System covers Music.
Therefore the Cryptickler that read '= 780' will translate into 'equal music' ~ the vikram seth novel. Easy peasy!