No 12589, Tuesday 02 Apr 2019, Scintillator

ACROSS
1   Silence is so valuable (6) GOLDEN [DD]
4   Save government, harp about informative statistical chart (3,5) BAR GRAPH {BAR}{G}{HARP*}
9 Letter from doctor boy's about to receive (6) LAMBDA {LAD}{A} over {MB}
10 Blank cheque for a fettered being? (4,4) FREE REIN [CD]
12 Cast lacking in talent for Doctor Strange? (8) WONDROUS Anno pending (Addendum - {WO}{N{DR}OUS} - See comments)
13 Pressure maintained along this is excluding old punctures (6) ISOBAR {O} in {IS}{BAR}
15 Food burning? Maid gives out a chime (4) RING charRING
16 Peace organizations overseeing onset of peace — one cast away going scot-free (10) UNPUNISHED {UN}{Pe..e}{UN}{1}{SHED}
19 From being in good spirits, fell off with hue and cry (10) CHEERFULLY {FELL+HUE+CRY}*
20 Incognito, a colleague of mine (4) ANON [DD]
23 Forsaken woman with a weapon advanced near husband (6) AGUNAH {A}{GUN}{A}{H}
25 Remarkable scenery surrounding river in county (8) SOMERSET {SOME SET} over {R}
27 Behind bars; June eighth: he escaped mysteriously (2,3,3) IN THE JUG {JUNE+eIGHTh}*
28 Indian brain and heart suffering outside India? That's not new (6) BIHARI {BRAIn+H}* over {I}
29 In concert — on time, got here after a struggle (8) TOGETHER {T}{GOT+HERE}*
30 One is terrible, not just at making omelette (3,3) BAD EGG [CD]

DOWN
1   Trouble in the Middle East to overwhelm intelligence agency, in retrospect (4,3) GULF WAR {GULF}{RAW<=}
2   I'm unclean, getting cleaned gives brightness (9) LUMINANCE*
3   Last? Last, definitely not first! (6) ENDURE {END}{sURE}
5   Milieu in the interior of the restaurant (4) AURA [T]
6   Northbound engineer is somewhat mortified like a rock (8) GNEISSIC {ENG<=}{IS}{SICk} Mortified/Sick?
7   Reporters can find Djokovic possibly bitter (5) ACERB (~ a serb)
8   Under extremely hard conditions, for ten decades (7) HUNDRED {UNDER+HarD}*
11 Expel from assembly (7) TURNOUT [DD]
14 First person transferred to second, it's said, thousands in valuable metal (7) BULLION B(-i+u)ULLION
17 Nod hard to get along with vocal Dubai leader (9) HANDSHAKE {H}{AND}{SHAKE}(~sheikh)
18 Trinket of gold — quote a bid (8) ORNAMENT {OR}{NAME}{NT}
19 Burn up paper during Yatra ride (7) CHARIOT {CHAR}{TOI<=}
21 Getting trimmer? Cannot hinge on squat (7) NOTHING [T] Definition not clear See comments
22 It signals on seeing faulty train blocking terminal in Pune (6) RETINA {TRAIN}* over {punE}
24 Take the label off junta government (5) UNTAG [T] 'Off' on double duty? "Remove label from junta government" would have been better.
26 Dash for control (4) RULE [DD?]

GRID

No 12588, Monday 01 Apr 2019, Dr. X

ACROSS
1   Illegal salesman chasing pretty girl endlessly? Stop doing that! (3,2,3) CUT IT OUT {CUTIe}{TOUT}
5   Single, hot, enters party bringing back cravings (6) ITCHES {1}{SE{H}CT<=}
10 Stabbed! Left behind weapon (7) CUTLASS {CUT}{L}{ASS}
11 Inamorata sadly abandoned at European country (7) ROMANIA INAMORatA*

12 Republican involved in ridiculous plan (5) DRAFT {D{R}AFT}
13 Pest is tottering, about to fall in a drunken state (9) TIPSINESS {PEST+IN}* over {SIN}
14 Wearing more casual clothes leads to a severe reprimand (8-4) DRESSING-DOWN [DD]
18 Trick to entice a sprinter perhaps (4,1,4,3) PULL A FAST ONE {PULL}{A FAST ONE}
21 Struggle in Fashion Street for dining accessory (9) SERVIETTE {VIE} in {STREET}*
23 Irritate and run after female for a little smooch (5) CHAFE CHA(-s+f)FE
24 Associate lost earliest invented weapon for spearing fish (7) LEISTER EaRLIEST*

25 Unhappily moaned about a little beer belly (7) ABDOMEN {A{Beer}DOMEN*}
26 Character killing wife in fight about an Italian man (6) SIGNOR {SIGN}{ROw<=} 
27 Kiddy on vacation breaks small window in roof (8) SKYLIGHT {S{Ki..iY}LIGHT}

DOWN
1   Creepy-crawly bounder trapped by spies (6) CICADA {CI{CAD}A} I have them chirping away  in my ear nowadays :-(

2   Person of great importance embraces one Italian painter (6) TITIAN {TIT{1}AN}
3   Scoundrel involved in dreadful riot at restaurant (9) TRATTORIA {RAT} in {RIOT+AT}*
4   Poor plant placed under sun as it withered (14) UNSATISFACTORY {SUN+AS+IT}*{FACTORY}
6   Beats man in bad mood around lunchtime (5) TEMPI {P{M}ET<=}{1}
7   Sweetheart in short admits displeasure for freeloader (6-2) HANGER-ON {H{ANGER}ON}
8   Sickly boy in extremely stirring final performance (4,4) SWAN SONG {WAN}{SON} in {St...nG}
9   What lovers in cinema hall might do to search blindly? (5,2,3,4) GROPE IN THE DARK [DD]
15 Involving large-scale massacre by police in Italian city, capital of Liguria (9) GENOCIDAL {GENO{CID}A}{Li...a}
16 Advocates in office enthralled by alcoholic spirits (8) APOSTLES {A{POST}LES}
17 Dreadful gangster providing weapons (8) ALARMING {AL}{ARMING}
19 Mad gal posing in glossy for young men (3,3) LAD MAG*
20 One curdling milk is extremely naive, gets involved in rift (6) RENNET {REN{NaivE}T}
22 What emcee delivers in PowerPoint routinely (5) INTRO [T]

GRID