Solution to THC # 9127 (first attempt)

Across

 1 A tie covering upper-class journalist was rich (8)

 6 Hindu god of fire in magnification (4) AGNI

 9 Where children would find many things to play with (6) CRECHE

10 Log Nair split for decoration at doorstep in India (7) RANGOLI

13 It effects a complete turnaround (5-4)

14 Shows disdain for tailless lizard on top of the shed (5) GECKS

15 Consumes food (4) EATS

16 When dons riot, it may show crookedness (10) DISTORTION

19 Having entered into an agreement, had a desire to tuck in Indian bread (10)

21 Showing sincerity but not able to be obstinate (4)

24 French school (5) ECOLE

25 They together form staff in any establishment (2-7)

26 Weaken nun ever in a state of agitation (7) UNNERVE

27 Can it withhold admitting a fool? (6)

28 Tells a youth leader aboard (4) SAYS

29 Taking care to be rigid when Horace comes in without champion (8)

Down

 2 Obliterate the head of baddies and see the broker (4,3)

 3 Supply with latest information on state appointment (6)

 4 Blast mother with people (9)

 5 A strain of sadness? (5)

 7 Inch GOC into a tricky situation with an Italian dish (7)

 8 And is Rosy icy and nervous? It’s an oddity! (12) IDIOSYNCRASY

11 Script on Indian city I appended (6)

12 No oil paintings of seascapes? (12)

17 Kate now to run and act in South Korea’s national sport (9) TAEKWONDO

18 Make lovable finish, listener! (6) ENDEAR

20 What one fills when taking up a position and leaves when quitting (7) VACANCY

22 Opportunity for one to go in? (7)

23 Got agitated about some nonsense in the cave (6)

25 What is fallen when one is dejected? (5)