One party dominance in India Vs …

Mexico
(i) In Mexico, the Institutional Revolutionary Party or the PRI dominated for almost sixty years.
(ii) PRI was mixture of various interests including political and military leaders, labour and Peasant organisations and political parties.

(iii) In Mexico, electoral laws were operated in a manner so as to ensure that the PRI always won. Elections were often rigged and manipulated by the ruling party.
(iv) In Mexico, tactics adopted by the PRI during the period of its dominance had a long term effect on the health of democracy. The citizens have yet to develop full confidence in the free and fair nature of elections.

India

(i) In India, Indian National Congress’s dominance was for about fifteen years.
(ii) Indian National Congress did not represent military leaders.
(iii) In India there were always fair and free elections.
(iv)The relations between the ruling party and the opposition were cordial.