Delhi-Mumbai expressway is to have how many 'Animal Bridges' to provide safe passage for wildlife?

Man-animal conflict is known to occur from time to time in India in various places, and more often than not it is the animals that are the most affected. In a much welcome move, to ensure a safe passage to wildlife and to reduce human-animal conflict, India will soon have its first-ever animal overpasses at the under-construction Delhi-Mumbai greenfield expressway.