* Fed policy meeting on June 18-19 * Dollar index, stocks rise * India gold volumes drop, China still strong (adds quotes, updates prices) By Veronica Brown LONDON, June 17 (Reuters) – Gold dropped on Monday as the dollar rose broadly and stock markets rebounded, with investors keeping a sharp eye on this week’s U.S. Federal Reserve meeting for signals on the latest plans for its bond buying programme. The Fed meets on Tuesday and Wednesday against a backdrop of…