Which of the following has become the India’s first slum-free city?

With which of the following countries has India recently signed an agreement to establish the first cross-border rail link?

In which state, Beddome’s Cat Skink (Ristella beddomei) has been discovered for the first time in Aralam and Kottiyoor Wildlife Sanctuaries during a biodiversity survey?

Where was the 10th National Pollution Response Exercise (NATPOLREX-X) held?

Which of the following countries has renamed one of its islands as ‘Zubeen Garg Island’ as a tribute to Assamese singer Zubeen Garg?