Www.hindustanpetroleum., 759122. 759100. 759001. 759122. 759027. 759013. 752069. 759100. 759118. 759018. 759145. 791121. 759129. 759128. 756060. 756050. 756001. 757105. 756001. 757037. 756045. http://www.hindustanpetroleum.com/documents/pdf/ccdc.xlsx