More info from the FT:
http://news.ft.com/cms/s/9e5faffe-45...00e2511c8.html
Basically, BA were given 4 weekly services to Chennai (Madras) and 3 weekly to Bangalore, Virgin got 7 weekly to Delhi and 3 weekly to Mumbai, while bmi got 4 weekly to Mumbai.
Running totals:-
BA - 26 a week
Virgin - 10
bmi - 4