Consider the following statements: 1. The gross revenue from the telecom sector in India accounts for 3% of the GDP (2009). 2. Centre for Development of Telematics is better known as C-DOT. 3. The switch from digital technology to the analog system revolutionized telephony in India. Which of the statements given above is/are correct ?

Statement 1 is correct: Around 2009, the telecom sector's contribution to India's GDP was approximately 3%. This era saw a significant increase in teledensity and subscriber base, making telecom a major economic pillar.

Statement 2 is correct: C-DOT stands for the Centre for Development of Telematics. Founded in 1984, it focused on designing and developing digital exchanges suited for Indian climatic conditions.

Statement 3 is incorrect: The technological revolution in India was defined by moving away from old analog systems to digital electronic exchanges. Digital technology provided the efficiency and scalability needed to connect millions of users across the country.