Question : nstallation of Sonars

(a) the number of indigenous sonars that have been installed so far in the submarines by Bharat Electronics Ltd. (BEL) and the time taken by them in such installation;

(b) the time given by the Government to BEL to complete the sonar installation in all submarines and the reasons for the delay, if any;

(c) whether the Government proposes to purchase the sonar systems from foreign countries and if so, the details thereof;

(d) whether the software developed by Naval Physical Oceanographic Laboratory (NPOL) installed by BEL has completed sea-acceptance trial; and

(e) if so, the details thereof?

A N S W E R
MINISTER OF STATE (DR. SUBHASH BHAMRE)
IN THE MINISTRY OF DEFENCE

(a) Bharat Electronics Ltd. (BEL) has installed 05 Indigenous sonars in the submarines from October, 2005 to March, 2016.
(b) As per contractual milestones, all installations have been completed within respective refit timelines.
(c) No, Madam.
(d) Yes, Madam.
(e) The software developed by Naval Physical Oceanographic Laboratory (NPOL) is an integral part of the Sonar subsystems and the Sea-Acceptance Trials (SATs) of the software are integrated with the SATs of Sonar USHUS.