The airspace was Notamned closed over the Bay of Bengal.
The aispace was closed already from 23:30Z. 4 hours priour to the Notam being in affect. how they let the plane through their airspace is just a mystery.
A0322/07 NOTAMN
Q)VXXX/QWMLW/IV/NBO/W/000/999/1743N08441E962
A)VECF VOMF
B)0704120330 C)0704141130
D)DAILY 0330 - 1130
E)EXPERIMENTAL FLIGHT VECHILE LAUNCH FM LAUNCH COMPLEX
LAUNCH PAD COORDINATE: 204500N 0871100E
DANGER ZONES: SECTOR AROUND LAUNCH PAD
I. 157 DEG TO 189 DEG FROM NORTH.
II. UP TO 1512 NM.
DURING LAUNCH PERIOD ATS ROUTES L301, N877, P761, N571, B466,
P574, P762, N563, W111 AND L645 NOT AVBL.
DURING LAUNCH PERIOD ATS ROUTES N895/G472, L759, A465, W41
AND P628 ARE REALIGNED BIDIRECTIONALLY AS FOLLOWS:
A : -
1. N895/G472 NOT AVBL BTN BUBKO AND NNP VOR : - ALTN ROUTE -
BUBKO - M773 - CEA VOR - G450 - NNP VOR.
2. L759 NOT AVBL BTN MABUR AND IBUDA : - ALTN ROUTE - MABUR -
336/156 DEG 209 NM - BUBKO - M773 - CEA VOR - A791 - IBUDA.
3. A465 NOT AVBL BTN LEMEX AND CEA VOR : - ATLN ROUTE - ISMON -
W90 - BBS VOR - 316/136 DEG 140 NM - JH NDB - KINKI - G450 - CEA
VOR.
4. W41 NOT AVBL BTN BBS AND CEA VOR : - ALTN ROUTE - BBS VOR -
316/136 DEG 140 NM - JH NDB - KINKI - G450 - CEA VOR.
5. P628 NOT AVBL BTN PPB VOR AND ASOPO : - ALTN ROUTE - PPB VOR -
343/161 DEG 592 NM - DOPID - 339/159 DEG 112 NM - CEA VOR - A791 -
ASOPO.
B : -
1. VECC - VOPB TFC TO FOLLOW -
CEA VOR - 159/339 DEG 112 NM - DOPID - 161/343 DEG 592 NM - PPB.
F)GND G)UNL