You should clearly state which countries would be fighting India and on which fronts? Who would diplomatically and/or economically support india?
Would Pakistan attack from the west? Would Pakistan attack using its navy? Who would attack from the south? Chins? America? Nato?
I think OP is trying to discuss a total war scenario.
Kind of, Seeing Members answer to this sceanrio I am including another Scenario
Bharatiyan Front:
Bharat:- Involved in the war
Nepal:- Involved in the war
Bhutan:- would give Logistical support as they do not have a millitary force
America:- They would give us much needed Tech like LO Technology as well as economical support.
Possible Allies(Members can take this into consideraion or not its upto them)
Afghanistan:-Would Invade pakistan
Myanmar:- Seeing Bangladesh concentrate on Bharat Millitary Junta disobeying China would Invade BD.
Chinese Front:-
China;-Involved in the war
Pak:-Involved in the war
SL:-"Offensive neutrality"as
@tarunraju sir wote.
BD:- Involved in the war
Main Chinese Objective:- Capturing NEFA,Arunachal Pradesh, And Nepal
Paki Objective:- Capturing Kashmir with
BD Objective:- Greater Bangladesh
Bharat and Allies Objective
Bharat:- Capturing Lahore,Kasur,Kashmir,Sindh
See that Indus water passage Line thats the area that Bharat needs to capture in This Scenario.
Bharat Objective In China:-
Nepal Objective:- Same as Bharat
Bharat & Myanmar Objective in Bangladesh:-Spliting Bangladesh in 1/2 between the two
Afghanistan Objective in Pak:-