Known for its cool atmosphere and lush green hills Manali accounts for nearly a quarter of all tourist arrivals in Himachal Pradesh.
Tourists said they had to cut short their vacation due to the elections.
The tour operators said there was a 25 percent drop in arrivals.
"Last year during the month of April we saw tourist rush but this year due to the elections people have delayed their trip to Manali. I would say as far as month of April is concerned there is a definite drop of 25 percent," said Himanshu, a tour and travel organiser.
India is currently holding general elections to the Lok Sabha.
Three phases are over and the final two stages will be held on May 7 and 13.
The results will be declared on May 16. By Hemant Chauhan (ANI)