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Venkaiah Naidu inaugurated India's longest electrified rail tunnel in Andhra Pradesh

Venkaiah Naidu inaugurated India's longest electrified rail tunnel between Cherlopalli and Rapuru and also Venkatachalam and Obulavaripalli. Naidu announced this 6.7-km-long tunnel an "engineering marvel." The cost of this tunnel is Rs 437 crore which has 44 trolley refuges along with 14 cross-passages. This will ease congestion of both passenger and freight carrying trains in Vijayawada-Gudur-Renigunta-Guntakal sections.