GroupS on d listing spree

Essar group has d listed Essar teleholdings , Essar steel ,Essar capital ,Essar port and Essar steel . now have Essar securities ,Essar shipping and AGC network as listed companies.
BOSCH group has d listed Bosch chasis ,Bosch rexorth . now have only Bosch as listed company.
Any other such cases please !

You can track de-listings here on BSE’s website, but there’s no way to filter out stocks by Categories.