Academic Schedule
Mon Aug 17 2020 , 00:52:16

नवोदय विद्यालय समिति

Navodaya Vidyalaya Samiti

( An Autonomous Body Under Ministry of Education ) Government Of India (शिक्षा मंत्रालय के तहत एक स्वायत्त निकाय) भारत सरकार

जवाहर नवोदय विद्यालय, गोशाला, जिला - सम्बलपुर (ओडिशा)

Jawahar Navodaya Vidyalaya, Goshala, Dist. Sambalpur (Odisha)

ଜବାହର ନବୋଦୟ ବିଦ୍ୟାଳୟ, ଗୋଶାଳା, ଜ଼ିଲ୍ଲା-ସମ୍ବଲପୁର (ଓଡିଶା)

Time Table

Class 1st 2nd 3rd 4th 5th 6th 7th 8th
VIA ODIA-1,3-6- SKM, MATHS-2-DKB HINDI-1,2,4,6-AKN, MATHS- 3,5- DKB COMP-1-AKY, ART-2-BM, HINDI-3-AKN, LIB-4,6-SKS, MUSIC-5-AK MATHS-1,6-DKB, MUSIC-2-AK, SST-3,5KCP, PET-4-VK SC-1-3,5-6-RB, SC-4-VP ENG-1-3,5,6-PKB, MATHS-4-DKB SST-1,6-KCP, COMP-2-AKY, HINDI-3,4-AKN, PHE-5-VK MATH-1-DKB, SST-2-KCP, PHE-3-VK, ENG-4-PKB, HINDI-5-AKN, ART-6-BM
VIB HINDI-1,2,4,5-AKN, MATH-3-DKB, SST-6-KCP ART-1-BM, SC-2-RB, SST-3-KCP, PHE-4-JK, LIB-5-SKS, MUSIC-6-AK MUSIC-1-AK, LIB-2-SKS, PHE-3-JK, SST-4-KCP, MATH-5,6-DKB COMP-1,6-AKY, HINDI-2,3-AKN, MATH-4-DKB, ART-5-BM ENG-1-PKB, ODIA-2-6-SKM MATH-1,2-DKB, ENG-3,5,6-PKB, SC-4-RB SC-1,3-RB, PET-2-VK, MATH-4-DKB, SST-5-KCP, HINDI-6-AKN SST-1-KCP, ENG-2,4-PKB, HINDI-3-AKN, SC-5-VP, SC-6-RB
VIIA HINDI--1,3-6-DN, ART-2-BM SC-1-VP, HINDI-2-DN,  LIB-3,6-SKS, MUSIC-4-AK, PHE-5-JK ENG-1-6-PKB MATH-1-6-SNM SST-1,2,4-6-KCP, PHE-3-JK ODIA-1,4,5-BRP, ART-6-BM, SC-2,3-RB HINDI-1-DN, ODIA-2-BRP, ART-3-BM, SC-4-6-RB COMP-1,2-AKY, MATH-3-SNM, HINDI-4-DN, MUSIC-5-AK, ODIA-6-BRP
VIIB ODIA-1-4,6-BRP, SST-5-KCP SC-1,3-6-RB, SC-2-VP ART-1,5-BM, COMP-2-AKY, LIB-3-SKS, PHE-4-JK, HINDI-6DN MUSIC-1,3-AK, ENG-2-PKB, ART-4-BM, LIB-5-SKS, SST-6-KCP HINDI-1-6-DN MATH-1-6-SNM, ENG-1,3-6-PKB, SST-2-KCP  MATH-1-SNM, HINDI-2-DN, SST-3-4-KCP, PHE-5-JK, COMP-6-AKY
VIIIA SC-1-5-RB, HINDI-6-AKN ENG-1-5-SK, PET-6-JK SST-1-3,5-KCP, MUSIC-4-AK, ENG-6-SK LIB-2-SKS, MATH-1, 3-6-PKP HINDI-1-6-AKN SC-1-RB, MATH-2-PKP, PHE-3-JK, ART-4-BM, MUSIC-5-AK, COMP-6-AKY ODIA-1-3,6-SKM, SST-4-KCP, ART-5-BM HINDI-1-AKN, PHE-2-JK, COMP-3-AKY, ODIA-4-SKM, LIB-5-SKS, MATH-6-PKP
VIIIB SST-1,2, 4-KCP, HINDI-3-AKN, MATH-5,6-PKP MATHS-1-4-PKP, HINDI-5AKN, SST-6-KCP ART-3-BM, ODIA-1,2, 4-6-SKM PET-3-JK, SC-1,2,4-6-RB LIB-1SKS, COMP-2AKY, MUSIC-3-AK, ENG-4-6-SN SST-3-KCP, HINDI-1,2,4-6-AKN ENG-1-3-SK, LIB-4-SKS, COMP-5-AKY, PHE-6-JK PHE-1-JK, HINDI-2-AKN, MATH-3PKP, SC-4-RB, ART-5-BM, MUSIC-6-AK
IXA ENG-1-6-PKB LIB-1-SKS, SST-2-DK, ART-3-BM, PHY-4-SKS, CHEM-5AKY, COMP-6-AKY H/O(A)-1,, 3-5-DN/BRP, BIO-2PKJ, PHY-6-SKS CHEM-1-SB, COMP-2-AKY, ECO-3-BP, MUSIC-4-AK, BIO-5-PKJ,     SST-6-DK MATHS-1-6-PKP SST-1,3-DK, H/O(A)-2,6-DN/BRP, CHEM-4-SB, MATHS-5-PKP MATH-1-PRIN, PHY-3SKS, PHE-2, SST-4,5-DK, BIO-6-PKJ H/O(B)-1,3,5-DN/BRP, ECO-2-BP, LIB-4SKS, PHE-6
IXB PHY-2-SKS, SST-1, 3-6-DK MATHS-1-3, 5-6-SNM, MATH-4-PRIN O/H(A)-1, 3-5-BRP/DN, MATH-2-SNM, MUSIC-6-AK CHEM-2-SB, ENG-1, 3-6-PKB BIO-1,2-PKJ, COMP-3-AKY, PHY-4, LIB-5-SKS, ART-6-BM PHE-1, O/H(A)-2,6-BRP/DN, LIB-3-SKS, PHE-4, COMP-5-SKS ECO-1,6-BP, ENG-2PKB, BIO-3PKJ, CHEM-4,5AKY O/H(B)-1BRP/DN,  SST-2-DK, O/H(B)-3,5-BRP/DN, MATH-4-SNM, PHY-6-SKS
XA MATH-1-4-PKP, BIO-5-PKJ, CHEM-6-SB BIO-1-PKJ, LIB-2-SKS, COMP-3-AKY, ART-4-BM, MATH-5-PKP, ENG-6-SK ENG-1-5-SK, MATH-6-PKP ODIA-1,2, 4,6-SKM, CHEM-3-SB, SST-5-DK PHY-1-3-SKS, ECO-4-BP, MATH-5-BJ, PHE-6- COMP-1-AKY, MUSIC-2-AK, ODIA-3-SKM, SST-4-DK, CHEM-5-SB, BIO-6-VP SST-1-3-DK, MATH-4-PKP, MUSIC-5-AK, LIB-6-SKS ART-1-BM, MATH-2-PKP, ECO-3-BP, PHE-4, ODIA-5-SKM, SST-6-DK
XB ENG-1-6- SK COMP-1-AKY, MUSIC-2-AK, H/O-3,5-PK/SKM, CHEM-4-SB, BIO-6-PKJ CHEM-2-SB, MATH-1,3-6-SNM SST-1-4-DK, PHY-5-6-SKS PHE-1, H/O-2,4,6- PK/SKM, SC-3-VP, COMP-5-AKY H/O-1-PK/SKM, PHY-2-SKS, PHE-3-, MUSIC-4-AK, SST-5-DK, ECO-6-BP CHEM-1-SB, MATH-2,5-SNM, LIB-3-SKS, ART-4-BM, SST-6-DK MATH-1-PRIN, LIB-2-SKS, ART-3-BM, ECO-4-BP, BIO-5-PKJ, MATH-6-SNM
XISC CSC/BIO-1,3-JRD/PKJ, CHEM-2-SB, MATH-4-DKB, ENG-5-JPK, PHY-6-SKS MATH-1-DKB, CSC/BIO-2-JRD/PKJ, PHY-3,5-SKS, ENG-4-JPK, PHE-6-VK MATH-2-DKB, CHEM-1,3-5-SB, CSC/BIO-6-JRD/PKJ PHY-1,2, MATH-3-DKB,BIO- -4-VP, MATH-5-PRIN, CHEM-6-SB ENG-1-3,6-JPK, COMP--4-AKY, BIO-5-VP PHE-1-VK, CSC/BIO-2-JRD/PKJ, PHY-3,4-SKS, LIB-5-SKS, MATH-6-PRIN ENG-1-JPK, LIB-2-SKS, MATH-3-DKB, CSC/BIO-4-JRD/PKJ, PHY-5-SKS, CHEM-6-SB CSC/BIO-1,4-JRD/PKJ, CHEM-2,4, MATH-3-DKB, PHY-5-SKS
XICOM ENG-1-3,6-JPK, CSC/HINDI-4-JRD/PK, ACC-5-RP CSC/HINDI-1-JRD/PK, COMP-2-AKY, ECO-2,5-BP, ACC-4,6-RP ECO-1,4,6-BP, CSC/HINDI-2,5-JRD/PK, ACC-3-RP ACC-1,2-RP, CSC/HINDI-3,5-JRD/PK, ENG-4-JPK, BST-6-RP ECO-1,2-BP, BST-3,4-RP, ENG-5-JPK, LIB-6-SKS BST-1-RP, ENG-2-JPK, ACC-3-RP, PHE-4-VK, ECO-5-BP, CSC/HINDI-6-JRD/PK ACC-1-RP, BST-2,4-6-RP, CSC/HINDI-3-JRD/PK LIB-1-SKS, PHE-2-VK, CSC/HINDI-3-JRD/PK, COMP-4-AKY, ENG-5-JPK, ECO-6-BP
XIISC PHY-1-SKS, CSC/BIO-2-JRD/PKJ, CHEM-3,5-SB, ENG-4-JPK, MATH-6-DKB CHEM-1,6-SB, PHY-2-SKS, CSC/BIO-3-JRD/VP, MATH-4-DKB, ENG-5-JPK ENG-1,2-JPK, PHY-3,4-SKS, BIO-5,6-VP CSC/BIO-1-JRD/VP, MATH-2-PRIN, ENG-3-JPK, CHEM-4-SB, COMP-5-AKY, CSC/BIO-6-JRD/PKJ MATH-1-DKB, CHEM-2-SB, MATH-3-PRIN, CSC/BIO-4-JRD/PKJ, PHY-5,6-SKS CHEM-1-SB, PHE-2,5-VK, CSC-3-JRD,LIB-4-SKS, ENG-6-JPK PHY-1-SKS, CSC/BIO-2-JRD/PKJ, CHEM-3-SB, ENG-4-JPK, MATH-5,6-DKB PHY-1,4-SKS, CSC/BIO-2-JRD/PKJ, CHEM-3-SB, MATH-5-DKB, LIB-6-SKS
XIICOM BST-1,2,4-RP, ECO-3,5-BP, CSC-6-JRD ECO-1-BP, ENG-2,6-JPK, BST-3,5-RP, CSC/HINDI-4-JRD/PK ACC-1,4-RP, ECO-2,5-BP, ENG-3-JPK, BST-6-RP LIB-1-SKS, CSC/HINDI-2-JRD/PK, LIB-3-SKS, ECO-4,6-BP, ACC-5-RP CSC/HINDI-1,3-JRD/PK, PHE-2-VK, ENG-4-JPK, ACC-5-RP, COMP-6-AKY ENG-1,5-JPK, ACC-2,6-RP, COMP-3-AKY, GS-4-VP PHE-1-VK, ECO-2,4-BP, ENG-3-JPK, CSC/HINDI-5,6-JRD/PK BST-1,2-RP, ACC-3,4-RP, ENG-6-JPK, CSC/HINDI-5-JRD/PK 
Teacher Name 1 2 3 4 5 6 7 8 Total
DR. B JENA, PRINCIPAL (MATHS)   IXB (4)   XIISC-2, XI SC-5 XIISC-3, XA-5 XI SC-6 IXA-1 XB-1  08
N TRIPATHY, VP   VIIA-1, VIIB-2,  XIISC--3 XIISC--5,6 XIISC-1, XISC-4 XB-3, VIA-4, XISC-5 XA-6   VIB-5 12 
S BISHI, PGT CHEM XIISC-2,3,5,  XA-6 XIISC-2, XISC-3,5, IXA-4 XISC-1-5 IXA-1, IXB-2, XA- 3, XIISC-4, XISC-6 XIISC-2 XIISC- 1, IXA-4, XA-5 XB-1, XIISC-3, IXB 4,5, XISC-6 XISC-2, 6, XIISC-3 30 
J P KAR, PGT ENG XIC-1-3, 5,6,    XIISC-4 XIIC-2,6,  XISC-4,  XIISC-5 XIISC-1,2,  XIIC-3 XIISC-3,  XIC-4 XISC-1-3,6,  XIISC-4,  XIC-5 XIIC-1,5,  XIISC-6,  XIC-2 XISC-1,  XIISC-4,  XIIC-3 XIC-5,  XIIC-6 30 
S K SAHU, PGT PHY XIISC-1, IXB-2, XISC-6 XIISC-2, XISC-3, IXA-4, XISC-5 XIISC-3,4, IXA-6 XISC-1,2, XB-5,6 XA-1,2,3,  IXB--4, XIISC-5,6 XB-2, XISC-3, 4 XIISC-1, IXA-3, XISC-5 XIISC-1, 4,  XISC-5, IXB- 6 30 
D K BEHERA, PGT MATHS VIA-1, VIB-2, XISC-4, XII-6 XISC-1,    VI-2, XIISC-4, VIA-5 XISC-2, VIB-5, 6 VIA-1, XISC-3, VIB-4, VIA-6 XIISC-1  VIB-1,2, VIA-4 XISC-3, VIB-4, XIISC-5,6 VIA-1, XISC-3, XIISC-5 26 
J R DAS, PGT COMP. Sc. XISC-1,3, XIISC-2, XIC-4, XIIC-6 XIC-1, XISC-2, XIISC-3, XIIC-4 XIISC-5, XIC-2, XISC-6 XIISC-1,6, XIIC-2, XIC-3,5, XISC-4 XIIC-1,3, XIISC-4, XISC-5 XIISC-3, XIC-6 XIISC-2, XIC-3, XISC-4, XIIC-5,6 XISC-1,4, XIISC-2, XIC-3, XIIC-5 34 
P K JENA, PGT BIO XISC-1,3, XIISC-2, XA-5 XA-1, XISC-2, XB-6 IXA-2, XISC-6 IXA-5, XIISC-6 IXB-1,2, XIISC-4 XISC-2, XIISC-3 XIISC-2, IXB-3, XISC-4, IXA-6 XISC-1,4, XIISC-2, XB-5 24 
DR.B PADHY, PGT Eco XIIC-3,5 XIIC-1, XIC-3,5 XIC-1,4,6, XIIC-2,5 IXA-3, XIIC-4, 6 XIC-1,2, XA-4 XIC-5,    XB-6 IXB-1, XIIC-2,4, IXB-6 IXA-2,   XA-3,   XB-4,   XIC-6 26 
P KUMAR, PGT HINDI XIC-4, XIIC-6 XIC-1, XB- 3, 5, XIIC-4 XIC-2,5 XIIC-2, XIC-3,5 XIIC-1,3,  XB-2,4,6 XB-1, XIIC-4, XIC-6 XIC-3, XIIC-5,6 XIC-3, XIIC-5 24 
R PANDEY, COMM.  XIIC-1,2,4, XIC-5 XIIC-3,5, XIC-4,6 XIIC-1,4,6, XIC-3 XIC-1,2,6, XIIC-5 XIC-3,4, XIIC-5 XIC-1,3, XIIC-2 XIC-1,2,4,5, XIIC-6 XIIC-1,2,3,4 30 
D KUMAR, PGT HIST IXB-1,3-6 IXA-2   XB-1,2,3,4, XA-5, IXA-6   IXA-1,3, XA-4, XB-5 XA-1,2,3, IXA-4,5, XB-6 IXB-2, XA-6 24 
S KARNA, TGT ENG XB-1-6 VIIIA-1-5, XA-6 XA-1-5, VIIIA-6   VIIIB-4-6 VIA-1-3, 5,6 VIIIB-1-3 VIA-4 30 
P K BARADO, TGT(ENG) IXA - 1-6   VIIA-1-6 IXB- 1,3-6, VIIB-2 VIB-1 VIB-3, 5,6 VIIB- 1,3-6, IXB-2 VIB-2,4 30 
D NAYAK, TGT HINDI VIIA-1,3-6 VIIA-2 IXA-1, 3-5, VIIB-6 VIB-2 VIIB-1-6 IXA-2,6 VIIA-1,3 IXB1,3,5, VIIB-2, VIIA-4 28 
A K NARANG, TGT HINDI VIB-1,2,4,5, VIIIB-3, VIIIA-6 VIA-1,2,4, 6, VIIIB-5 VIA-3 VIB-3 VIIIA-1-6 VIIIB-1,2,4,5,6 VIA-4, VIB-6 VIIIA-1, VIIIB-2, VIB-3, VIA-5 30 
  VIIB-1-4, 6   IXA-1, 3-5, VIIB-6   VIB-2-6 VIIA-1,4,5, IXA-2,6 VIIA-2 IXB-1,3,5, VIIA-6 24 
DR S K MISHRA, TGT ODIA VIA-1,3-6 XB-3,5 VIIIB-1,2,4,5,6 XA-1,2,4,6 XB-2,4,6 XB-1, XA-3 VIIIA-1,2,3,6 VIIIA-4, XA-5 26 
P K PATEL, TGT MATHS XA-1-4, VIIIB-5,6 VIIIB-1-4, XA-5 XA-6 VIIIA-1, 3-6 IXA-1-6 VIIIA-2, IXA-5 XA-4 XA-2, VIIIB-3, VIIIA-6 30 
S N MERLI, TGT MATHS   IXB-1-3,5,6 XB-1,3-6, IXB-2 VIIA-1-6   VIIB-1-6 XB-2,5 VIIB-1, VIIA-3, IXB-4, XB-6 30 
K C PODH, TGT SSt VIIIB-1,2,4,5,6 VIB-3, VIIIB-6 VIIIA-1-3,5, VIB-4 VIA-3,5, VIIB-6 VIIA-1,2,4,5,6 VIIIB-3 VIA-1,6, VIB-5, VIIB-2, VIIIA-4 VIA-2, VIB-1, VIIB-3,4 30 
R BEHERA, TGT Sc. VIIIA-1-5 VIIB-1,3-6, VIB-2   VIIIB-1,2,4-6 VIA-1-3,5,6 VIIIA-1, VIIA-2,3, VIB-4 VIB-1,3, VIIA-4-6 VIIIB-4, VIB-6 32 
S K SAHU, LIBRARIAN   IXA-1, XA-2, VIIA-3, VIB-5, VIIA-6 VIB-2, VIIB-3, VIA-4,6 XIIC-1, VIIIA-2, XIIC-3, VIIB-5 VIIIB-1, IXB-5, XIC-6 IXB-3, XIISC-4, XISC-5 XISC-2, XB-3, VIIIB-4, XA-6 XIC-1, XB-2, IXA-4, VIIIA-5, XIISC-6 28 
B MAHARANA, ART TR. VIIA-2 VIB-1, IXA-3, XA-4 VIIB-1, VIA-2, VIIIB-3, VIIB-5 VIIB-4, VIB-5 IXB-6 VIIIA-4, VIIA-6 VIIA-3, XB-4, VIIIA-5 XA-1, XB-3, VIIIB-5, VIA-6 20 
 A KALIDAS, MUSIC TR.   XB-2, VIIA-4, VIB-6 VIB-1, VIIIA-4, VIA-5, IXB-6 VIIB-1,3, VIA-2, IXA-4 VIIIB-3 XA-2, XB-4, VIIIA-5 XA-5 VIIA-5, VIIIB-6 18 
VIJAYA KUMAR, PET -M   XISC-6   VIA-4 XB-1, XA-6, XIIC-2 XIISC-2,5, XISC-1, XIC-4, XB-3 XIIC-1, VIB-2, VIA-5 XIC-2, VIA-3, XA-4 16 
J KUJUR, PET-F   VIB-4, VIIA-5, VIIIA-6 VIB-3, VIIB-4 VIIIB-3 VIIA-3 IXB-1, VIIIA-3, IXB-4 IXA-2, VIIIB-6 VIIIB-1, VIIIA-2, VIIB-5, IXA-6 16 
A K YADU, FCSA   XB-1, XIC-2, XA-3, IXA-6 VIA-1, VIIB-2 VIB-1, IXA-2, XIISC-5, VIB-6 VIIIB-2, IXB-3, XISC-4, XB-6 XA-1, XIIC-3, IXB-5, VIIIA-6 VIA-2, VIIIB-5 VIIA-1,2, VIIIA-3, XIC-4, VIIB-6 25 
CLASS Monday Tuesday Wednesday Thursday Friday Saturday
VI SC-R .B MATHS-DKB ENG-PKB SST-KCP HINDI-AKN ODIA-BRP
VII SST-KCP ENG-PKB HINDI-DN SC-RB ODIA-BRP MATHS-SM
VIII ODIA-SKM MATHS-PKP SC-RB HINDI-AKN SST-KCP ENG-SK
IX ODIA-BRP SST-DK SC-(P/C/B)- SKS/SB/PKJ HINDI-DN MATHS-PKP/SM ENG-JPK
X MATHS-PKP ODIA/HINDI- SKM/PK ENG- SK MATHS- SNM SC- (P/C/B)- SKS/SB/PKJ SST-DK
XISC COMP/FCSA- JRD/AKY BIO/ FCSA- PKJ/AKY ENG- JPK PHY- SKS MATHS-DKB CHEM-SB
XICOM ENG-JPK COMP/HINDI- JRD/PK ECO-BP BST- RP COMP/HINDI- JRD/PK ACC- RP
XIISC P/C/B- SKS/SB/PKJ PHY-SKB MATHS-DKB CHEM-SB ENG-JPK BIO/COMP
XIICOM BST/ECO- RP/BP ACC-RP COMP/HINDI- JRD/PK ENG-JPK BST- RP ECO- BP
Days/
Period
I II III IV V VI VII VIII
MON XI COM  ENG X A          BIO IXA       HINDI XB        HIST XIISc    MATHS IXA     HIST VI A      SSt XII Sc     PHY
TUES XIISc    BIO IXB      MATHS XISc      MATHS XISc       PHY XI Com   Eco XI Sc    BIO XA     HIST XA     MATHS
WED VIIIA        Sc VIIIB      MATHS XISc      CHEM XIISc    CHEM IXA      MATHS VIIA         Sc VIB           Sc VIB        HINDI
THURS XII COM    ACOUNT VIIB         Sc VIIIA        SSt VIIIA     MATHS VIIA      MATHS VIA      MATHS XII COM  Eco VIIIB        Sc
FRI XI COM  ACOUNT VIA   MATHS XB         MATHS VIIIB       SSt  VIIA       SSt VIIB      MATHS VIB          SSt IXB         ODIA
SAT IXB         HIST VIA     HINDI VIIIB      ODIA VIIB       SSt VIA         Sc VIA        ENG VIIIA      ODIA VIIA    ODIA
Days/
Period
I II III IV V VI VII VIII
MON XB-ENG VIA-HINDI XISC-CHEM IXB- ENG XA-PHYSICS XICOM- ACOUNT IXB HINDI VIIIB-SSt
TUES VIIIA-Sc IXA-HIST XIISC-ENG XIISC-MATHS IXA - MATHS IXA- HINDI VIIB-SSt VIIIA-HINDI
WED XICOM-ENG XIISC- COMP VIIIA- SSt VIIA MATHS VIA-Sc VIB-HINDI VIIIA-ODIA IXB- ODIA
THURS XISC-MATHS VIIIA-ENG VIIIB-ODIA VIA-HINDI XB-MATHS XA-ENG VIIB-ENG XB-ECO
FRI XA-BIO VIIB-Sc VIIA-ENG XB-PHYSICS XISC -Bio XB-SSt VIIB-HINDI XA-ODIA
SAT XA-CHEM XIICOM- ACOUNT XA-MATHS VIIB-SSt VIA- SSt VIB-ENG IXB-ECO XA- SSt

  

Days/
Period
I II III IV V VI VII VIII
MON   XB VIA VIB   XA   VIIA
TUES   XI COM VIIN IXA VIIIB   VIA VIIA
WED   XA   XI COM IX B XII COM   VIIIA
THURS   IXB     XI SC XII Sc   XI COM
FRI       XII Sc XB   VIIIB  
SAT   IXA XISc VIB XIICOM VIIIA   VIIB