Gross domestic product (GDP) zoomed 8.9% in Q2FY08 to Rs 7,10,578 crore at constant prices when compared with Rs 6,52,450 crore in Q2FY07.According to data released by the government today, agriculture clocked a growth of 3.6% in the period under review. The manufacturing sector logged a growth of 8.6% followed by mining (7.7%) and electricity (7.3%). The construction sector witnessed a growth of over 11% and financing services moved up 10.6%.GDP, at current prices, is estimated at Rs 9,71,908 crore as against Rs 8,56, 761 crore in Q2FY07 - an increase of 13.4%.The economy had logged a growth rate of 10.2% in the corresponding quarter of the previous fiscal.