Background: Few studies have explicitly examined the implementation of change interventions in low- and middle-income country (LMIC) public health services. We contribute to implementation science by adding to the knowledge base on strategies for implementing change interventions in large, hierarchical and bureaucratic public services in LMIC health systems. Methods: Using a mix of methods, we critically interrogate the implementation of an intervention to improve quality of obstetric and newborn services across 692 facilities in Uttar Pradesh and Bihar states of India to reveal how to go about making change happen in LMIC public health services. Results: We found that focusing the interventions on a discreet part of the health service (labour rooms) ensured minimal disruption of the status quo and created room for initiating change. Establishing and maintaining respectful, trusting relationships is critical, and it takes time and much effort to cultivate such relationships. Investing in doing so allows one to create a safe space for change; it helps thaw entrenched practices, behaviours and attitudes, thereby creating opportunities for change. Those at the frontline of change processes need to be enabled and supported to: lead by example, model and embody desirable behaviours, be empathetic and humble, and make the change process a positive and meaningful experience for all involved. They need discretionary space to tailor activities to local contexts and need support from higher levels of the organisation to exercise discretion. Conclusions: We conclude that making change happen in LMIC public health services, is possible, and is best approached as a flexible, incremental, localised, learning process. Smaller change interventions targeting discreet parts of the public health services, if appropriately contextualised, can set the stage for incremental system wide changes and improvements to be initiated. To succeed, change initiatives need to cultivate and foster support across all levels of the organisation.