Does anyone know where to get the gel used to kill cockroaches by the exterminators, in hyderabad?

Question

The exterminators usually use a gel, which they seem to put in lots of places in dot-sized portions.

This gel is very effective in killing cockroaches. I want to try it out.

Does anyone know where I can get it in Hyderabad? I don't even know the name of this gel.

Answer 1

is this gel yellow coloured?

If it is then this gel is probably a mixture of 2 part boric acid in 1 part sugar.