Solution to 16A has been deliberately left unsolved and is to be answered only by a non-regular / novice commenter, with proper annotation. Those who have answered earlier in the week, please give others a chance.
ACROSS
1 Remain enchanted with mad race for Green Card? (8,5) AMERICAN DREAM*
9 Confrontation leading to needless damage all around (3-2) RUN-IN {RU{Ne...s}IN}
10 My weaknesses — Food Courts, Heavy Metal and Plays, occasionally (3,6) MEA CULPAS {MEA{CU}L}{PlAyS}
12 Talk about unending animosity (4) CHAT {C}{HATe}
13 Pasta made with gnocchi and olive, without a drop of vinegar (10) CONCHIGLIE {GNOCCHI+OLIvE}* There's an extra O in the fodder
18 Initially imitating Deepika, youngster later looked incredibly classy and charming (7) IDYLLIC Acrostic
21 Sense of identity that exists before ignorance essentially gets dissolved (3) EGO ErGO
22 True proposition — “Love, just envelops and hate, regularly rebounds” (7) THEOREM {MER{0}E}{HaTe}<=
24 Some frown on a Gondwana lotus temple's shape (7) NONAGON [T]
25 Partly elephantine, one's at centre of those people's pantheon of gods (10) POLYTHEISM {rolyPOLY}{THE{1'S}M}
28 Not large type of infection (4) STYE STYlE
30 Power source — most universal with unlimited supply (9) GENERATOR {GENERAl}{sTORe}
31 Struggle of powerless authority (5) EXERT EXpERT
32 Guess how universe was created? Began right by blowing up around nothing! (3,4,6) BIG BANG THEORY {BEGAN+RIGHT+BY}* over {0}
DOWN
2 Metal worker casts out base of a heavy deity statue in the end (9) MANGANESE {MAN}{GANESh}{s...uE}
3 Give out good shout (4) RANT gRANT
4 Corporate boss having a minute role, short but significant (5) CAMEO {C{A}{M}EO}
5 Again making one run over last obstacle with a fast lift off (10) REUNIFYING {R{o...lE}UN}{1}{FlYING} L/Lift?
6 Scare about Pope's power going to head (5) APPAL (-p)A(+p)PPAL Power going to head or going down?
7 Cocaine and cannabis? That's crazy! (8) CRACKPOT {CRACK}{POT}
8 Bali's path, we are told (4) ISLE (~aisle)
11 Extremely bad, running kidnapping for sale (7) AUCTION AbdUCTION
14 Some Pakistanis involved in spying and sponsoring terrorism (3) ISI [T] &lit
15 That R & B hero, perhaps, is an idol (5-5) HEART THROB*
17 He doesn't have stable job set up, causing turmoil (7) TEMPEST {TEMP}{SET*}
19 A measure of journey having no beginning and endlessly long (9) LIGHTYEAR {fLIGHT}{YEARn}
20 Marriage papers (8) CONFETTI [CD]
25 Space set up by English squire (4) PAGE {GAP<=}{E}
26 Wear something that breathes air essentially (5) LUNGI {LUNG}{aIr}
27 Show of confidence — moving self at start to front position (5) STRUT (+s)STRU(-s)T
29 Part of liberal inheritance, how it is carried forward (4) GENE GENErous
Reference List
About = C, Large = L, Power = P, Good = G, English = E
