Tac Security IPO: The initial public offering for TAC Infosec opens for subscription today. Tac Security IPO: The issue is worth about ₹ 29.99 crores nd it consists of a fresh issue of 2,829,600 equity shares with a face value of ₹ 10. Tac Security IPO details: The issue is worth about ₹29.99 crores nd it consists of a fresh …