Diversified group Hero on Monday said it has made entry into the electronics segment with plans to invest `500 crore in the next few years and has acquired majority stake in set top box maker Mybox Technologies.It announced the formation of a new company, Hero Electronix, which will spearhead the group's activities in the segment. Suman Kant Munjal, who has been named the Chairman of the new company said Hero Electronix would add associated business lines to its portfolio over the next few years and grow the vertical ‘to help India develop a much needed sustainable electronics ecosystem’.