Lucknow, Aug. 2 -- To enhance passenger awareness, North Eastern Railway's Lucknow Division, under the directives of the Ministry of Railways launched a mega public awareness campaign on Friday at various railway stations and trains. This campaign will promote the Integrated Helpline number 139 and the Rail Madad mobile app, highlighting their features and utility. The campaign ends on August 15. The Helpline number 139, a toll-free, 24/7 service, is designed for a swift and effective resolution of passenger grievances. It is accessible in Hindi, English and 11 regional languages....