Gadi and Alu/Aloo are there in Chambers, I wonder if they are permitted in Scrabble.
ACROSS
1 Within possibility, one is replaced by potato of great worth (8) VALUABLE {V{-i+alu}ALUABLE} Never realised that 'Alu/Aloo' is there in Chambers
5 Cruel brother, upstart, not completing story (6) BRUTAL {BR}{U
9 Madrid native revamps Iran pads (8) SPANIARD*
10 Fig variety in Atlanta suburb (6) SMYRNA [DD] Thanks to Google
12 Man leaves country supporter in civil disorder (4) RIOT
13 NYC kerbs up to some renovation by computer nerds (10) CYBERPUNKS*
15 True believers don't have them (6) DOUBTS [CD]
17 Groom about to enter a West Indies plantation (5) PREEN {P{RE}EN}
20 In decline, poor desi’s pocketed lakhier at first (5) SLIDE {S{L
21 State desi's changed to the optimistic view (6) UPSIDE {UP}{DESI}*
24 Put Lords' wives ashore: they have tenants to look after (10) LANDLADIES {LAND}{LADIES}
27 Retreat from snooker? (4) NOOK [T]
29 Teachers' noises of disapproval about primarily offensive remarks (6) TUTORS {TUT{O
30 Tired individual is comprehensive (3-2-3) ALL-IN-ONE {ALL-IN}-{ONE}
31 Staggered drunkenly and leered rudely (6) REELED*
32 Snap! Soaks back cooking vessels (8) STEWPANS {STEW}{PANS}<=
DOWN
1 Travellers lose one-time face masks (6) VISORS VIS
2 Field fellow to entice (4,2) LEAD ON {LEA}{D ON}
3 A footloose royal is of the same sort (4) AKIN {A}{KIN
4 Look, railway's transporting red truck (5) LORRY {LO}{R}{RY}
6 Gather man is in to plot again (5) REMAP {RE{M}AP}
7 Formed crowd to see girl is sitting in gaddi, starting declamation (8) THRONGED {THRON{G}E}{D
8 Networking includes one in sailing trip (8) LIAISING {LIAIS{1}NG*}
11 Reportedly picks up perfumes (6)
14 Only advance mentioned (4) LONE (~loan)
16 Leaps in spring and start of summer (6) BOUNDS {BOUND}{S
17 Stationery stock in apartments (4) PADS [DD]
18 Liars too treated by one who quarantines (8) ISOLATOR*
19 Produce short sketch by vetting comic scene at last (8) VIGNETTE {VETTING}*{
22 Ring for girl possessing nothing new (6) CORONA {COR{O}{N}A}
23 They go high in the air or down the slope (6) SKIERS [DD]
25 Gross display from muscular gendarme (5) LARGE [T]
26 Election Commission almost tardy in applause (5) ECLAT {EC}{LAT
28 See six accepting Middlesex blow finally (4) VIEW {VI}{
GRID