The board of directors of Bharat Heavy Electricals (BHEL), which met today, approved a proposal to pay an interim dividend of 85% i.e Rs 8.50 per share for the financial year 2005-06.According to a release issued by BHEL to the BSE today, March 23, 2006 has been fixed as the record date for the payment of the dividend.The dividend will be paid on or after March 27, 2006, the release added.