Agreement comes just ahead of PM Oli’s visit to the two countries. Experts call it a challenge to Nepal’s sovereignty.

The train journey from Bikaner to the national capital, Delhi, will now take just a few hours, with approval granted for the operation of a new Vande Bharat train on the Delhi–Bikaner route.

Critics say many vehicles in India are not biofuel-compliant, and its use could put engines at risk. The government denies this.