NEW DELHI, June 23 -- The southwest monsoon reached Mumbai on Tuesday, nearly two weeks later than its usual onset date, bringing relief to India's financial capital after water shortages forced authorities to curb supplies to households and businesses.

The India Meteorological Department (IMD) said conditions were favourable for the monsoon to move to Gujarat, remaining parts of Maharashtra, northern Chhattisgarh and Jharkhand over the next two days, and into Uttar Pradesh in the next three to four days.

The progress of the monsoon is closely watched because it contributes to about 70% of annual rainfall in the world's most populous country, where the rural economy relies heavily on agriculture, and contributes significantly to economi...