What specific advice or warnings does Chapter 12 provide about social conduct, particularly concerning caste and one's duties?

In its discussion of devotion and knowledge, Chapter 12 offers pointed advice on social and religious conduct. It explicitly warns against creating 'the chaos of mixing castes' and cautions against the 'pretense of caste pride.' Simultaneously, it advises individuals not to become negligent of the duties associated with their class and stage of life, which is known as Varnashram Dharma. The chapter also warns against becoming a 'heretical scholar.' This guidance encourages a balanced approach: fulfilling one's societal role without falling into the trap of pride or causing social disruption, all while maintaining the primary path of devotion.