Which safety certification level is required for the KAVACH system?

The correct answer is South Central Railway. The Ministry of Railways said that Version 4.0 of the train protection system was put into service for the first time on this zone, on the Malkajgiri-Kamareddi section of the Hyderabad Division. The zone was the natural choice because the previous edition, Version 3.2, was already working there across a long stretch of route, and the operating experience gathered from it shaped the improvements built into the newer version. Northern Railway is wrong, because the release names no such commissioning on that zone. Western Railway is wrong for the same reason; the announcement is confined to the southern zone named in it. East Coast Railway is also wrong, as the section upgraded lies in the Hyderabad Division, which belongs to South Central Railway and not to the eastern coastal zone. Candidates should tie the version number, the zone, the division and the section together, since a question may name any one of them.

The correct answer is 108 route kilometres. That is the length of the Malkajgiri-Kamareddi section in the Hyderabad Division on which the system was carried up from the older edition to the newer one. The figure of 208 is wrong; no such length is mentioned anywhere in the announcement and it is offered only as a near-miss distractor. The figure of 1,465 is the trap in this question: that is the spread of the earlier Version 3.2 across South Central Railway as a whole, not the stretch newly upgraded, and aspirants who read hurriedly often swap the two. The figure of 512 is wrong as well, since it appears nowhere in the release. The safest way to hold this pair in memory is to remember that the newly upgraded piece is small and the older version's footprint on the zone is more than ten times larger.

The correct answer is 77 countries. The declaration was one of the chief outcomes of the first edition of the World Audio Visual and Entertainment Summit, held in Mumbai, and the backgrounder lists it alongside the other results of the event, including the business transactions generated by the WAVES Bazaar. The first option is wrong; no such count appears anywhere in the document. The second option is wrong, and is a trap, because that number belongs to the registrations drawn by the Create in India Challenges from creators abroad, not to the countries adopting the declaration. The fourth option is wrong for a similar reason: a three-figure count of countries is mentioned in the summary of the summit's participation, not in connection with the declaration. Aspirants should separate the three tallies carefully, since the summit description packs several country counts into a few lines.

The correct answer is the 55th International Film Festival of India in Goa, where the platform was unveiled in November as the public broadcaster's public-service streaming service. The first WAVES Summit in Mumbai is wrong, and is the most tempting distractor because the summit carries the same name: it was held later, in May of the following year, and the streaming platform already existed by then. The India International Trade Fair is wrong, as the backgrounder connects the launch to a film festival and not to a trade exhibition. The Kolkata International Film Festival is wrong as well; although it is also a film festival, the release names the national festival held in Goa and gives its edition number. The safe way to carry this is as a set: the broadcaster, the festival with its edition number, the venue state and the launch date, since a question may supply any one of them and ask for another.

The correct answer is 23 March 2026. MyWAVES was opened inside the existing streaming platform on that date, and it changed the service from something people only watched into something they could contribute to, by letting citizens make, upload and share original short, vertical and episodic content. The first option is wrong because that is the date the streaming platform itself was launched at the film festival in Goa, not the date the creator section appeared. The second option is wrong because that is when the first edition of the summit opened in Mumbai. The fourth option is wrong because that is the day the Gems of India Challenge pilot began, which runs through the creator section but is a later and separate step. This question rewards candidates who keep a small timeline of the four dates rather than remembering them one at a time.