Danish minister for energy, climate and utilities Lars Aagaard on Tuesday said Denmark can learn from India’s ability to bring down renewables tariff especially solar and both nations can embark on the green hydrogen future together. India has considerably brought down tariff of renewable energy especially solar through e-reverse auction of projects. India’s solar and wind power tariffs had touched all-time low levels of Rs 1.99 per unit and Rs 2.43 per unit under these auctions.