There are over 100 botanical gardens in India, each with its own unique collection of plants. Some of the most famous botanical gardens in India include: Acharya Jagadish Chandra Bose Indian Botanic Garden, Kolkata: This is the oldest botanical garden in India, and it is home to a collection of over 12,000 plant species. The garden is also a research institute, and it is responsible for the conservation of many endangered plant species. National Botanical Garden, Lucknow: This is the largest botanical garden in India, and it is home to a collection of over 45,000 plant species. The garden is also a research institute, and it is responsible for the development of new varieties of crops. Lalbagh Botanical Garden, Bangalore: This is one of the most popular tourist destinations in Bangalore, and it is home to a collection of over 10,000 plant species. The garden is also a research institute, and it is responsible for the development of new varieties of flowers. Government Botanical Garden, Ooty: This is a hill station botanical garden located in the Nilgiri mountains. The garden is home to a collection of over 7,000 plant species, including many rare and endangered species. Lloyd's Botanical Garden, Darjeeling: This is a hill station botanical garden located in the Darjeeling mountains. The garden is home to a collection of over 6,000 plant species, including many temperate plants. These are just a few of the many botanical gardens present in India. Botanical gardens play an important role in the conservation of plant biodiversity, and they are also popular tourist destinations.