With reference to India, which one of the following statements is NOT correct?

IPCL is India's largest petrochemical company

RIL is the largest private sector company in India

MTNL is listed on NYSE

BSNL is the first telecom service organization in India to launch a nationwide cellular service at one time

MTNL is listed on NYSE is the correct answer.

All the other statements are true like
BSNL is the first telecom service organization in India to launch a nationwide cellular service at one time:-

Bharat Sanchar Nigam Limited (BSNL), one of the leading telecom player, has launched 3G Mobile Services today on commercial basis simultaneously from 11 cities, namely, Agra, Ambala, Jalandhar, Jaipur, Dehradoon, Shimla, Lucknow, Ranchi, Durgapur, Haldia, Patna & soft launch in Jammu.  BSNL also announced tariff plans for 3G mobile services under pre-paid and post-paid voice, video and data plans.  The voice call will be available for as low as 10 paisa per minute under full value 1000 plan and local SMS is also as low as 10 paisa per SMS under Super 1,350 plan.  Video calls starting with Re.1/- under unlimited 2,500 plan and Rs.2/- for STD video calls.