The board of directors of AstraZeneca Pharma India, which met today, approved a proposal for sub-division of equity shares of the company in the ratio of 1:5 i.e one share of Rs 10 each would be split into five shares of Rs 2 each.According to a release issued by the company to the BSE today, an EGM has been called on June 6, 2006 to clear the proposal.