What is the alternative to the Congress / UPA other than the BJP / NDA?

The second para of ur question is unfortunately worded. UPA or NDA both are elected by the people; the invectives are not necessary. No party is a sadhu. However, the way things ae today, we seem to be proceeding towards one group against another, like the two big individual parties- Democrats and Republicans- in the USA, instead of a splinter of parties. The lesser parties like communists and most of the regional parties will be eliminated in the next election as the people have realised that development is the utmost concern, as in Bihar recently.