The correct answer is option 3: South Africa. India borrowed the constitutional features and procedures for amendment from South Africa. This means that India took inspiration and learned from the constitution and amendment procedures of South Africa when developing its own constitution and governing processes. It is important for countries to learn from each other`s experiences and best practices in order to improve their own systems. By borrowing from South Africa, India was able to incorporate effective and suitable procedures for amending its constitution, ensuring that it remains adaptable and responsive to the changing needs of its citizens.