Option 1: B.N. Rau - It is not mentioned in the given information whether B.N. Rau considered the Directive Principles of State Policy as aiming at ‘furthering the goals of social exclusion’. Therefore, it is not the correct option.

Option 2: Granville Austin - According to the given information, Granville Austin is the one who considered the Directive Principles of State Policy as aiming at ‘furthering the goals of social exclusion’. This suggests that Austin believed that the principles were intended to promote social exclusion, meaning that they were designed to marginalize certain groups within society.

Option 3: K.C. Wheare - It is not mentioned in the given information whether K.C. Wheare considered the Directive Principles of State Policy as aiming at ‘furthering the goals of social exclusion’. Therefore, it is not the correct option.

Option 4: Rajni Kothari - It is not mentioned in the given information whether Rajni Kothari considered the Directive Principles of State Policy as aiming at ‘furthering the goals of social exclusion’. Therefore, it is not the correct option.

Therefore, the correct answer is option 2, Granville Austin, as he is the one who believed that the Directive Principles of State Policy