Amid US sanctions, Iran has said it believes India will act in its national interest on the issue of oil imports and Tehran can act as a "protector" of India's energy security. Iran also alluded to the possibility of using barter with India and other countries to circumvent the US sanctions.

from Times of India https://timesofindia.indiatimes.com/business/india-business/iran-hopeful-india-will-act-in-its-national-interest-on-oil-imports-issue/articleshow/70046840.cms