Consider the following statements : I . Taragiri, the third stealth frigate of the Project 17A, was recently launched by Mazagon Dock Shipbuilders Ltd . ( MDL ). II . The third ship is expected to be delivered by August 2025 . III . The first ship of Project 17A, Nilgiri, was launched on September 28, 2019, and is expected to begin sea trials in the first half of 2024 . Which statement / statements is / are correct?

Taragiri, the third stealth frigate of the Project 17A, was launched by Mazagon Dock Shipbuilders Ltd . ( MDL ). The ship has been built using integrated construction methodology which involves hull blocks construction in different geographical locations and integration / erection on slipway at MDL . The keel of Taragiri was laid on September 10, 2020, and the ship is expected to be delivered by August 2025 . The estimated cost of Project 17A is around ₹25,700 crore . The first ship of Project 17A, Nilgiri, was launched on September 28, 2019, and is expected to begin sea trials in the first half of 2024 . The second ship of P17A class Udaygiri was launched on May 17 this year and is expected to start the sea trials during the second half of 2024 . The keel of the fourth and the final ship was laid on June 28 .