Did India give its allies any notice that it was going to blow up a?
Would you want your neighbor to have a remote by which he/she can cut your power at his/her whim, however friendly you are with him/her? ASAT missile is analogous to this. Satellites can be targeted and communications could be destroyed. No other neighbor would support this, let alone praise. It is for this reason that missions like these are kept a secret, so other countries can not take measures to thwart our attempts.