Shiv Vani rejects 'cartel' allegation by ONGC Vol 15, PW 2 (28 Jul 11) Exploration & Production Shiv Vani is vigorously disputing its disqualification from an ONGC tender to hire onland workover rigs at its Ahmedabad, Ankleshwar and Assam assets for three years.... Buy this article forRs590 $9 For a 30-article or annual subscription rates click here RelatedSinghee accused of delaying ONGC rig award (04 May 17) SHIV VANI: Using Quippo as 'front' for ONGC bid (09 Apr 15) SHIV VANI: All assets will soon be for sale (26 Mar 15) ICICI begs ONGC and Oil India to spare Shiv Vani (24 Apr 14) Shiv Vani rig doubts at ONGC (27 Jun 13) Vasudeva must explain leniency to Shiv Vani (13 Jun 13) Shiv Vani rejects 'malicious' bankruptcy rumour (16 May 13) Shiv Vani wriggles out of ONGC two-year ban (18 Apr 13) Baker Hughes in unpaid bill row with Shiv Vani (28 Jun 12) Shiv Vani rejects 'cartel' allegation by ONGC (28 Jul 11)