Lovatts Colussus 145. Giant Cryptic

Hi Puzzlers
Need help with the following

1a. The mose substantial dish from Cairo menus. (4,7). M???????S?
16a. Finally whistle-blower assists in making police busts (5). .?I??
21a. Heathwe is circling, and coming down to earth (7). .A???N?
44a. Grants for coach to return to take teams around Indian Capitol . (9) S?B?I???S
51a. I moved seal to quarantine. (7) .??L?T?
2d. Brake in later - roughly around five. (8) ??T???A?
3d peace body to stop disturbance. (No letters)
10d. Returned amounts to Communists embracing merriment. (7). .??U???
30d. Awards for Titanic? So excited! (7). ?I?A???N?
58d. Mild temper? (8). I have MODERATE. Is this correct?
64d. Knowing leading conductor has control stick. (6). ?L?V?R
12a. A monks order to all the members? (11). ???T???H?O?

Cheers
Smithy