Pune-based deeptech startup Ecozen, which focuses on climate solutions, has raised $25 million in combined equity and debt capital. While the equity portion saw participation from investors including Export-Import Bank of India and Caspian, the debt funding saw contributions from HDFC Bank and others. Ecozen was founded by IIT Kharagpur alumni Devendra Gupta, Prateek Singhal and Vivek Pandey.