The correct option is 3 (IT Act 2000).

The Information Technology Act, 2000 (IT Act 2000) provides the legal framework for e-Governance in India. It aims to facilitate electronic governance by recognizing electronic records, digital signatures, and secure electronic communication. The Act also provides provisions for the legal recognition of digital transactions and sets guidelines for electronic contracts, cybercrimes, and data protection. It plays a crucial role in enabling the Indian government and citizens to engage in secure and efficient electronic communication and transactions, thereby promoting e-Governance in India.