India, Aug. 21 -- A day after as many as 1,148 passengers had to be rescued when two overcrowded monorail trains on elevated tracks got stuck between stations amid torrential rain, transport experts have called for India's only such railway system, plagued by frequent breakdowns in its 11-year history, to be scrapped and its civil structure upgraded for alternative solutions.

In both incidents on Tuesday evening, the monorail system experienced power failures. The Mumbai Metropolitan Region Development Authority (MMRDA) attributed the problem to overloading in the case of the train that was stranded near Mysore Colony in Chembur, but maintained silence regarding the one at Antop Hill.

According to MMRDA officials, here's what happened i...