Karti Challenges Sarma on $5B Tata Plant: 'Call Me When It's Actually Operational'
• Karti Chidambaram asked Himanta Sarma to call when the proposed $5B Tata semiconductor plant is operational
• Sarma announced Tata applied to build plant in Assam, called it a "game-changer"
• Chidambaram reposted asking to be called when plant is "actually operational"
• Sarma responded "Yes, I will, Promise" indicating he accepted the challenge
• Context is $5B plant a major economic development for Assam, but past announcements have faced setbacks