• intermediate block signalling

मध्यवर्ती:    intermediary intervention mediate intercurrent

ब्लॉक:    block block of insurance no. creaking insulae

ब्लॉक सिगनल:    block signal ब्लॉक block block of

सिगनल:    signal signals

व्यवस्था:    act discipline management plan set-up system