According to a CNN-IBN and The Week survey done by Lokniti at CSDS, BJP and its ally Apna Dal may win between 42 and 50 parliamentary seats out of the 80 in UP.
Narendra Modi is the most popular person for the Prime Minister's post in the state followed by Rahul Gandhi, the survey concluded.
It projected SP may get 11 to 17 Lok Sabha seats while BSP may bag between 10 and 16 seats. It gave a bleak figures of between 4 and 8 seats for Cong-RLD alliance in UP.
In Delhi, the survey said that BJP may get 40 per cent of the votes and 3-4 Lok Sabha seats, with AAP capturing 2-3 seats and Congress bagging 1 seat.
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However, it said the preference of voters for Delhi Assembly are different, with AAP likely to get 42 per cent votes, ahead of BJP (36 per cent) and Congress (16 per cent).
At 38 per cent, Narendra Modi leads the race in being the preferred PM choice in Delhi with Kejriwal second (20 per cent), the survey claimed.
The opinion poll gave an edge to BJP-HJC combine with a projected vote share of 36 per cent in Haryana. It showed 30 per cent vote percentage in favour of Congress and 16 per cent and 7 per cent for INLD and AAP, respectively.
It also talked about a neck-and-neck contest between Congress and BJP in Himachal Pradesh with 45 per cent vote share and AAP finishing third with 7 per cent.