when you vote for candidate based on his party affiliation, naturally you are endorsing party programme. But what if party nomiination or rickets are for sale. Then adherence to party poicy or program is not relevant. The individual pays handsomely for party ticket. The price for party ticket is nothing but investment that must be recouped with profit after wining elections.
https://in.news.yahoo.com/bihar-polls-bjp-mp-accuses-party-cash-tickets-073209192.html