India's foreign policy since independence has been primarily guided by:

During which leader's official diplomatic visit did India and China sign the 'Declaration on Principles for Relations and Comprehensive Cooperation' and agree to appoint Special Representatives (SRs) to explore a boundary settlement?

Given below are two statements, one labeled as Assertion (A) and the other as Reason (R): Assertion (A): The Gujral Doctrine sought to build a peaceful, cooperative South Asia by advocating persistent bilateral dialogue with smaller neighbors. Reason (R): The doctrine emphasized sovereign equality, non-interference in internal affairs, mutual respect for territorial integrity, and unilateral concessions without demanding strict reciprocity from smaller neighbors. In light of the above statements, choose the correct answer: