Indian conglomerate Vedanta has earmarked USD 15 billion for foray into the electronic chip and display manufacturing space, and plans scale up the investment to as much as USD 20 billion, a senior company official said. Vedanta's group firm Avanstrate, which will spearhead the semiconductor business, expects to roll out electronic chips and displays from Indian manufacturing plants by 2025, the official of the group's semiconductor arm said on Friday.