STORY: "As the next round of talks begins here next week, we are telling our negotiators - 'get it done by Diwali in October'," said UK Prime Minister Boris Johnson.
Johnson said Britain will also help India build its own fighter jets.
"We have agreed to work together to meet new threats across land, sea, air, space, and cyber including partnering on new fighter jet technology, maritime technologies to the tactical response to the threats in the ocean," Johnson said.
The leaders also signed agreements related to energy partnerships. India stressed on dialogue and diplomacy to resolve the Ukraine conflict and immediate ceasefire.
India and the UK also agreed to reduce tariffs on mutual imports.
Johnson is in India on a two-day visit, leaving for London on Friday night.