No 9528, Saturday, 09 May 09, Nita Jaggi

Sorry folks, could not post yesterday as my BSNL Broadband connection was on the blink, got set right late last night or early this morning. Anyway here is todays CW and don't ask me for any explanations as quite a few of the annotations simply elude me. No links being added as I have to rush off to the temple as it's my Pearl wedding anniversary cheerio ...
ACROSS
1 - Notes around this are scattered (5) - {C}HITS*
4 - Try losing heart after an alibi is confused by one’s aptitude (7) - ABILI*{T(-r)Y}
10 - Look closely around the worker in a special closet (6) - P{ANT}RY
11 - Secret meeting of the party is left inside the shelter (8) - CON{C{L}AVE}
13 - End of a dynasty in capital authority has gone complicated with the complex material (8) - GL{Y}C{OGEN*} GLC - Capital authority?
14 - Turned the car thrice in the depression (6) - CRA<-{TER}
16 - Cut off the crown and the root sound (4) - {T(-he)}{OOT}
17 - Secret operation in the lane (4,6) - BACK STREET [CD]
20 - Dealer has one broken loop inside the holy book (10) - BIBL{I}{OPOL*}E
21 - Mark of sickness (4) - AGUE [DD]
24 - Orderly way to twist a tale in New York (6) - N{EATL*}Y
26 - Spring period in MMIV? (4,4) - LEAP YEAR [CD]
28 - Test version put on a letter (8) - {ALPHA}{BET}(-a)
29 - Soldier has to let off the jacket (6) - {TA}T{TLE*} ???
30 - Researcher’s strategy leading to nowhere (4,3) - DEAD END ?
31 - Bring about a lot of growth (5) - REARS [CD]
DOWN
2 - Structure of a house for Edward in New York City has no mark of the beast (9) - HO{N{E}YC}OMB ???
3 - Emotion spread by militant groups (6) - TERROR [CD]
5 - Spot an exposed piece (4) - BLOT ?
6 - Large city to create a form of irregular edges (8) - {LA}{CERATE*}
7 - Nature of one’s personality (5) - TRAIT [CD]
8 - Pole I obtained for the valve to control the flow (6) - {S}P{I}{GOT} P from ?
9 - City has a large tribe covering the upper class (6) - BEIR{U}T*
12 - Runs away from the French cases of the politicians (7) - {DE}CA{MPS}
15 - Ability to put an alien on the spider (7) - {SKILL}{ET}
18 - Helicopter device (9) - EGGBEATER ?
19 - Note for one to arrive to mark on the cue table (8) - {BILL}{I}{AR}D ?
20 - Plant from a Lisbon sailor (6) - BONSAI [T]
22 - Don’t start with the trainee labourer (6) - (l)EARNER
23 - Streamline in court the notice taken up for half of the team (6) - {UP}{DA<-}TE(-am)
25 - After the first mark on the fruit (5) - {A}PPLE ?
27 - Leader in the afternoon is inside the study (4) - DE{A}N