Question

what are tank bunds? who maintains it?

Answer 1

Bunding, also called a bund wall, is a constructed retaining wall around storage "where potentially polluting substances are handled, processed or stored, for the purposes of containing any unintended escape of material from that area until such time as a remedial action can be taken."
Hussain Sagar was built across a tributary of the river Musi river in 1563 by Ibrahim Quli Qutub Shah. 

MARK BRAINLIEST..

Answer 2

bund, in simple terms, is a containment around an area where hazardous liquids are handled, processed or stored. The type of bund most often seen consists of four walls and a base surrounding tank

@skb