Special, Sunday 20 May 2018, Dr Satyen Nabar

Three answers per commenter till 6 PM (Annotations compulsory)
Please provide all your answers in one comment.

ACROSS
6   Marvellous flatfish (5)
7   Begging Bill not to kill head of state (8)
10 Look above for advance warning (5, 2)
11 Doctor advanced slowly and cleared out bed (7)
12 Nerve of crook largely broken by spies (7)
13 Extremely content after excessive spirits (7)
14 Powerless to stifle press! It's invulnerable (11)
19 Embrace subject entering therapy (7)
21 Short journey into street where business is done? (7)
23 Minor strikes to gain a number of privileges (7)
25 Israel sadly arrests student in demonstrations (7)
26 Explore odds (8)
27 Some funny long yarn (5)

DOWN
1   It is rum sprinkled over a dessert (8)
2   Private caught embracing miss (6)
3   What one sees on large screen TV? Overall perspective (3, 7)
4   Keen prima donna making a comeback (4)
5   Seaming viciously! Bails ultimately knocked out by stumper (6)
6   Man breaking first commandment (6)
8   Monitor to collect ticket (4, 3)
9   Corrects unnatural diets (5)
13 Cheer up, relax! I hate breaking up (10)
15 Pupils who enjoy skipping? (7)
16 Acceptable to be unmarried (8)
17 Opportunity to win when pawn eliminates rook (5)
18 Sane or insane mind (6)
20 Explosive device pirate blew up leaving one dead (6)
22 Brilliance of wine enthralls gangster (6)
24 Get rid of hut (4)

Across Lite version can be accessed at DR SN 21

Enjoy.

The Sunday Crossword No 2996, Sunday 20 May 2018

ACROSS
1   Warning from revolutionary work in middle of argument (3-3) TIP-OFF {TI{OP<=}FF}
4   What about politician with a muscular movement being decisive? (8) EMPHATIC {E{MP}H}{A}{TIC}
10 Time after time entering bar and beginning to yell angrily (7) RATTILY {RA{T}{T}IL}{Yell}
11 Begin to deal with commercial outfit (7) ADDRESS {AD}{DRESS}
12 Peevish, right away, making tiny sum of money (3) SOU SOUr
13 Dry joke initially in exclusive story left by popular composer (5,6) SCOTT JOPLIN {SCO{TT}{Joke}OP}{L}{IN}
14 Small item of kit assembled, including a prong and energy socket (7,6)  MATINEE JACKET {A}{TINE}{E}{JACK} in {MET}

17 Shiny material in heap later shifted outside shelter (6,7) PATENT LEATHER {HEAP+LATER}* over {TENT}
21 Protective curtain, very large, left in artist's possession (8,3) MOSQUITO NET {OS}QUIT} in {MONET}
23 Business with black swan (3) COB {CO}{B}
24 Note less than clean (7) LAUNDER {LA}{UNDER}
25 Piece of mosaic put back before start of study period (7) TESSERA {SET<=}{St..y}{ERA}
26 Basic structure half of sketch revealed (8) SKELETON {SKEtch}{LET ON}
27 Loose-fitting garment working, I see, in a different way (6) ONESIE {ON}{I+SEE}*

By Jacek Rużyczka - Own work, CC BY-SA 3.0, Link

DOWN
1   Abnormal rise in volume that's annoying (8) TIRESOME {T{RISE*}OME}
2   Offend astute pro improperly forced into retirement (3,3,2,7) PUT OUT TO PASTURE  {PUT OUT} {ASTUTE+PRO}*
3   Is child following father? That must be a thrill (7) FRISSON {FR}{IS}{SON}
5   Indicated nitrogen in substance (5) MEANT {MEA{N}T}
6   Fish received on wharf (7) HADDOCK {HAD}{DOCK}
7   Struggling to help sect, think things are getting complicated (3,4,8) THE PLOT THICKENS*
8   Nothing wrong in church function (6) COSINE {C{O}{SIN}E}
9   Colour around unknown part of Alpine region (8) TYROLEAN {T{Y}{ROLE}AN}
15 Glen that gets spoilt eventually (2,6) AT LENGTH*
16 Game in enclosure disrupted by band? Not on (8) CRIBBAGE {C{RIBBon}AGE}
18 New deal excluding filling in actual roll (7) TRUNDLE {TRU{N}{DeaL}E}
19 Skilled worker, prejudiced, quietly dismissed (7) ARTISAN pARTISAN
20 One in climbing small trees showing signs of happiness (6) SMILES {S}{EL{1}MS}<=
22 Trunk carried by visitor sometimes (5) TORSO [T]

GRID