Across
9 That man (along with two trainees) is hot and fiendish (7) HELLISH
10 Salt bovine male consumed —consumed a pound (7) OXALATE
11 Reconstructed cafe in bad surroundings leads to avalanche (7) ICEFALL
12 Loyal saint has a sip of ale with lunch after learner has left (7) STAUNCH
13 Implementation of a death sentence (9) EXECUTION
15 Communication equipment made by confused auditor after leaving Utah (5)
16 Around the end, leaders of East India Company became flexible (7)
19 Motor ad badly treated — badly treated when used as this (7)
20 Not keeping well in Virginia house (5)
21 One of our neighbours might be takin' a sip (9)
25 Ridge has tree with height and nothing more (7)
26 Farrokh Bulsara's element (7)
28 River of ice is good and more decorative (7)
29 Lubricate properly — a nodding donkey found here (3,4)
Down
1 Initially transit halt of Indian soldiers en route (to Siachen), now an airfield (6)
2 Runaway carrying London fabric (6)
3 Insulating material in my car, I hear (4)
4 It's hot! But it's cold to the auditor (6)
5 Endorse circular after West deteriorated (8)
6 A group of sentences about men soldiers dropping from the sky (10)
7 Holiness of Sai, with religious book, and primary elements of decency or mercy (8)
8 Strangely, he got MOD operation to secure 28 near 25 (8)
14 Or lunatics can make sounds which are of a frequency too high to be audible (10)
16 Consider it possible — hermit may back envy on the radio (8)
17 This signal, after a blackout,may entail aluminium cellar reconstruction (3,5)
18 Storage cabinet where one may not keep saucers? (8)
22 Moan excitedly after UK returns land to the west of Nepal (6)
23 Soldiers return with hybrid animal talisman (6)
24 Poems depicting minced idly in front of the lower house (6)
27 Relay in absence of a bank (4)