Currently, petrol is retailing at Rs - a litre in Delhi, and diesel is priced at Rs 87.62. In Mumbai, Chennai and Kolkata petrol costs Rs -, Rs - and Rs - respectively. On the other hand, diesel is ...

Nov. 15, 2025 A new floating droplet electricity generator is redefining how rain can be harvested as a clean power source by using water itself as both structural support and an electrode. This ...