Chris
When you say meaningful to society, you could do things on empowerment, affirmative action, self help groups, SGAs, Training Govt to be proactive at the village level, creating a responsive adminsitration, quality imrovement, employment generation, imrpoving employability of the graduate populace, the llist is endless. Actually, it depends on which angle of HR fascinates you. Mention it and we can braistorm here :)
Regs
Rukmani