Do you mean the red LED on the Pi?
If so, it means your power supply isn't good enough. Get a proper one.
In any case, read viewtopic.php?f=28&t=58151
At 289 Rupee, about £3, not terrifically expensive. But no information about the guage of wire in it, which is irritating.rishitghosh wrote: ↑Sat Apr 07, 2018 10:44 amAffix cable : https://www.amazon.in/gp/product/B0767B ... UTF8&psc=1