Maninder Singh's story is an inspiring example of turning a long-held interest in innovation and entrepreneurship into a successful career. Here are some key takeaways from his journey:

1. Following your passion: Maninder's love for innovation and entrepreneurship led him to explore various industries, including waste management, energy, and agriculture.
2. Experimentation and learning: He tried different ventures, such as immigration services, online education, and small-scale hydropower, before finding success in waste management.
3. Identifying a problem and solving it: Maninder recognized the need for sustainable waste management solutions in India and worked to fill this gap by developing proprietary technology to convert organic waste into bio-CNG.
4. Connecting with the right people: His connections with civic bodies led to the Srinagar project, which has been a successful initiative in replicating his model at other locations.
5. Replicating success: Maninder's approach is to adapt and refine his solutions to new contexts, such as Delhi's Ghazipur slaughterhouse, showcasing his ability to scale up his business.
6. Addressing social issues: Beyond waste management, Maninder is also tackling the problem of excessive synthetic chemical use in farming by providing chemical-free manure for urban households.
7. Embracing sustainability: His ventures prioritize conversion of waste into valuable resources and encourage sustainable practices, reflecting a broader commitment to environmental stewardship.

Some key lessons from his journey include:

1. Innovation can come from unexpected places: Maninder's success in waste management and agriculture reveals the potential for innovation to emerge from nontraditional industries.
2. Perseverance is crucial: He encountered setbacks and failed ventures, but persistence and a willingness to learn helped him overcome obstacles and find success.
3. Connectivity and collaboration are essential: Building relationships with civic bodies, entrepreneurs, and other stakeholders has been critical to his success in scaling up his solutions.

Overall, Maninder's story highlights the importance of passion, innovation, and perseverance in pursuing a successful career, as well as the potential for entrepreneurship to address significant social and environmental challenges.