8. From the facts pleaded in the writ petition, it is clear that NICCO invoked the jurisdiction of the Calcutta High Court on the plea that a part of the cause of action had arisen within its territorial jurisdiction. According to NICCO, it became aware of the contract proposed to be given by ONGC on reading the advertisement which appeared in the Times of India at Calcutta. In response thereto, it submitted its bid or tender from its Calcutta office and revised the rates subsequently. When it learnt that it was considered ineligible it sent representations, including fax messages, to EIL, ONGC, etc., at New Delhi, demanding justice. As stated earlier, the Steering Committee finally rejected the offer of NICCO and awarded the contract to CIMMCO at New Delhi on 27-11993. Therefore, broadly speaking, NICCO claims that a part of the cause of action arose within the jurisdiction of the Calcutta High Court because it became aware of the advertisement in Calcutta, it submitted its bid or tender from Calcutta and made representations demanding justice from Calcutta on learning about the rejection of its offer. The advertisement itself mentioned that the tenders should be submitted to EIL at New Delhi; that those would be scrutinised at New Delhi and that a final decision whether or not to award the contract to the tenderer would be taken at New Delhi. Of course, the execution of the contract work was to be carried out at Hazira in Gujarat. Therefore, merely because it read the advertisement at Calcutta and submitted the offer from Calcutta and made representations from Calcutta would not, in our opinion, constitute facts forming an integral part of the cause of action. So also the mere fact that it sent fax messages from Calcutta and