India's central bank is poised to deliver its fourth successive quarter-point interest rate cut on Wednesday, amid calls from investors and the government for further easing as a slowdown gripping the economy becomes more pervasive. The Reserve Bank of India will lower the benchmark repurchase rate by 25 basis points to 5.5 per cent, according to almost all of the 36 economists surveyed by Bloomberg. Swap markets are pricing in at least another 50 basis points of reductions before the end of 2019. Finance Minister Nirmala Sitharaman has ratcheted up pressure on the six-member monetary policy committee for a "significant cut" to lift economic growth from a five-year low. Inflation that's stayed below the central bank's 4 per cent medium-term target for 11 months in a row and the Federal Reserve's first rate cut since the financial crisis allows room to retain the policy makers' easing bias. A quarter-point cut will take the benchmark rate to the lowe