What are these fortifications called ?
These fortifications highlighted the importance of a then-developing siege ops strategy which one could associate with Bangalore , Roorkee and Pune as far as the case of Indian Army goes . What are we talking about ?
Star Forts / Trace Italienne . They highlighted the importance of sapping/sappers as a siege ops strategy . Bangalore , Roorkee and Pune ( Kirkee ) are the HQ of the Madras Sappers , Bengal Sappers and Bombay Sappers of the corps of Engineers of the Indian Army .
Appu , the Bangalore Torpedo , was the only one to hit the bullseye .
Half credits to Ajith , Devajyoti Ghosh , Manu Sathian , Anoop V , Bobby , Rajith Ravi , V Chandrasekhar , Mayank , Arun , Vivek , FlightlessOne and Subin .

Star Forts and the Indian Army Corps of Engineers
STAR FORTS
Star Fort or trace italienne
eg : Fortress Bourtange star in the Netherlands
Bourtange Fortification?
cantonment?
Star Fort(s). Use of cannons for laying a siege?
Star Fort
Star Fortification.
star fort
Star fort (A fortification style invented in Italy)
Vauban’s star shaped city of Neuf Brisach.
Trace italienne or star forts to strengthen the bastions.
Bourtange fortifications
Bourtange fortifications
Star Forts