Why the plan to build a parallel runway at Chennai airport never took off

Nearly 2 decades ago, the AAI had planned to conception a parallel runway for the airdrome successful a bid to heighten capableness and trim congestion. However, astatine that time, the State authorities had plans to physique a 2nd airdrome for the metropolis astatine Sriperumbudur and this was 1 of the reasons why it was shelved