Question

There was no five year plan in operation during 1966-1969 the immediate reason for suspension

Answer 1

India got a commitment for $1 billion a year for the next two years, and thereafter a further $3 billion to meet its foreign exchange deficit till the end of the Third Five-Year Plan. The US provided half of the money (in addition to half a billion dollars worth of wheat it was already supplying), with the rest of the world matching the other half.