Small-scale industries (SSIs) play a crucial role in India’s economic development by:
Employment Generation: SSIs provide large-scale employment opportunities, particularly in rural and semi-urban areas.
Regional Development: They promote balanced regional growth by encouraging industrialization in backward areas.
Export Contribution: SSIs contribute significantly to exports, particularly in textiles, handicrafts, and engineering goods.

If vector \( \mathbf{a} = 3 \hat{i} + 2 \hat{j} - \hat{k} \) \text{ and } \( \mathbf{b} = \hat{i} - \hat{j} + \hat{k} \), then which of the following is correct?