Question

what were the measure taken by belgium and srilanka to solve their problems

Answer 1

Belgium improved their constitution four times for the existence of all communities
while
Sri Lanka adopted majority rule

Answer 2

Sri Lanka continued with their Majoritarian measures which later lead to a violent civil war. They continued to prefer the majority community (sinhalese) and neglected the needs of tamils.

Belgium changed their constitutin four times between 1970 to 1993 to accomodate a proper arrangement of power sharing.

1.)equal representation was given to french and dutch speaking people in union and central govt.

2.)Community govt. was introduced to take decision on linguistic matters

3.) Brussels(capital of belgium) was given seperate constitution and powers and it was not answerable to central or state govt.