Financial inclusion, defined as the access to and usage of affordable, useful, and responsible financial products and services, is a cornerstone of equitable economic development. The statement accurately highlights that its realization hinges on a dual approach: robust legal backing and widespread public awareness.

The Necessity of Legal Backing: Legal and regulatory frameworks are fundamental to creating an environment conducive to financial inclusion. They provide the necessary infrastructure, ensure stability, and protect consumers. Key aspects include:

1. Access and Infrastructure: Laws mandate banks to open branches in unbanked areas, promote banking correspondents, and facilitate the opening of 'no-frills' accounts (e.g., Pradhan Mantri Jan Dhan Yojana). Regulations also support digital payment systems like UPI, making transactions easier and more accessible.
2. Consumer Protection: Legal provisions safeguard consumers against predatory lending, unfair practices, and fraud. This builds trust in formal financial institutions, which is crucial for encouraging participation.
3. Regulatory Oversight: Bodies like the Reserve Bank of India (RBI) and SEBI establish rules for financial institutions, ensuring their solvency, ethical conduct, and adherence to financial inclusion goals. This prevents systemic risks and promotes responsible lending.
4. Standardization and Grievance Redressal: Laws ensure standardized services and provide mechanisms for grievance redressal, empowering individuals to seek recourse if their rights are violated.

The Imperative of Increasing Awareness: While legal backing creates the supply-side infrastructure, awareness addresses the demand-side challenges. Without adequate knowledge and understanding, even the best-designed financial products and services will remain underutilized. The need for awareness stems from:

1. Understanding Benefits: Many individuals, especially in rural or marginalized communities, are unaware of the benefits of formal financial services, such as savings, credit, insurance, and pensions. They may rely on informal, often exploitative, channels.
2. Financial Literacy: A lack of financial literacy prevents people from making informed decisions about managing their money, understanding interest rates, or differentiating between various financial products. This includes digital literacy, which is crucial for leveraging modern banking and payment systems.
3. Trust and Overcoming Apprehensions: Historical experiences, cultural barriers, or a general distrust of formal institutions can deter people. Awareness campaigns can demystify banking processes, build trust, and alleviate fears.
4. Behavioral Change: Financial inclusion is not just about opening an account; it's about active usage and integrating financial services into daily life. Awareness campaigns, coupled with community engagement, can foster this behavioral change.

Interplay and Conclusion: Legal backing and awareness are not mutually exclusive but are complementary and interdependent. A robust legal framework without awareness leads to low adoption rates and underutilization of services. Conversely, awareness without a supportive legal and regulatory structure can expose individuals to risks and exploitation. For instance, PMJDY provided the legal and infrastructural framework for bank accounts, but subsequent financial literacy campaigns were essential to ensure their active usage. Therefore, true financial inclusion becomes a reality only when strong legal foundations are combined with sustained efforts to educate and empower citizens, enabling them to make informed choices and actively participate in the formal financial system.