The share of the Indian banking space has changed structurally in the last 10 years, primarily due to fast-evolving technology. This chapter discusses the impact of fintech innovation on business processes and product delivery (operation), customer management and engagement, distribution strategy as well fa supporting financial inclusion in Indian banking industry. It tracks the journey of digital banking from primitive internet powered platforms to present-day world ruled by Unified Payments Interface transactions, AI grounded credit assessment modules, neo banking paradigms and blockchain based settlement engines. Fintech has progressed from a support function to become the core engine of banking innovation that can help banks tap into previously untapped demographics, drive down costs of delivering financial services and also provide personalized offering at scale in this chapter. The narrative further explores the response of regulation to this transition, with a focus on the Reserve Bank of India's regulatory sandbox framework and its efforts at walking the tightrope between innovation, systemic stability and consumer protection. The chapter also highlights incessant challenges such as potential vulnerabilities in cybersecurity, concerns about data privacy especially for special category requested by customers, lack of digital literacy on the part of farmers living in remote areas and algorithmic bias risks when these new technologies are employed to make decisions related to credit. Using secondary data from RBI reports, NPCI statistics and literature review this chapter seeks to contextualise the Indian fintec in alignment with national aspirations (innovation based economic growth through NEP 2020 etc. The chapter-end with a look at how banks, regulators and fintech can create a banking ecosystem that is resilient, inclusive and future ready where technological innovation cannot be divorced from the ethical responsibility of companies making it.