ASTO bares teeth at new chairman AK Singh Vol 26, PW 2 (12 Jan 23) People & Policy ONGC chairman AK Singh is about to experience his first major confrontation with ASTO... Buy this article forRs490 $9 For a 30-article or annual subscription rates click here RelatedSerial toothache abuse at ONGC (21 Mar 24) Anger grows at ONGC promotion policy (11 Jan 24) Cambay PEC plan anger (19 Oct 23) Murder shadow over Calgary (21 Sep 23) ASTO elections for new president (12 Jan 23) More ONGC chairman uncertainty (22 Sep 22) ASTO wants Puri support for suspended staff (15 Jul 21) Raha condemns ASTO on day of chopper crash (24 Sep 03)