New Delhi, Aug. 14 -- In a significant boost to investor confidence, S&P Global Ratings has upgraded India's long-term unsolicited sovereign credit rating to 'BBB' from 'BBB-', while also raising the short-term rating to 'A-2' from 'A-3'.

The outlook on the long-term rating remains stable, reflecting optimism around India's policy continuity, robust economic growth, and improved fiscal management.

Alongside the rating upgrade, S&P also revised its transfer and convertibility assessment for India to 'A-' from 'BBB+', citing an improved monetary and external environment.

According to S&P, the stable outlook suggests confidence in India's ability to sustain its growth trajectory, driven by high levels of infrastructure investment and a di...