India's growing infrastructure needs require innovative financing models. Public-private partnerships (PPPs) have emerged as a promising approach, which leverages private sector expertise and financing along with public sector oversight. This paper analyzes the successes and challenges of PPPs in various sectors such as transport and energy in India. It examines their impact on public service delivery and explores strategies to optimize their effectiveness. Keywords: Public-Private Partnerships (PPPs), infrastructure development, India, transport, energy, public service delivery, financing