Alps Industries today said it will raise Rs 500 crore by way of foreign currency convertible bonds (FCCBs) or other securities and also issue bonus shares in 1:1 ratio.According to an official release issued to the BSE today, the board today approved raising the amount through FCCBs, GDRs, ADRs, rights issue or other instruments. The board also gave a nod to the bonus issue in 1:1 ratio, where one bonus share would be issued for every share held, the release said.An increase in the authorized share capital to Rs 45 crore from Rs 25 crore was also approved at the meeting, the release added.