The ruling Trinamool Congress in West Bengal could win up to 29 Lok Sabha seats in the state, while the BJP-led alliance would be ahead of its rivals in Bihar, an opinion poll said Monday.The CNN-IBN-The Week election tracker said Trinamool could win 23-29 of 42 seats in West Bengal, while the Biju Janata Dal (BJD) would lead the race in Odisha.It said the Left Front will win 7-13 seats in West Bengal while the Congress could win 4-7 seats and the Bharatiya Janata Party could win just one seat.The opinion poll said the BJP-Lok Janshakti Party may get 21-29 of 40 seats in Bihar.It said the Congress-Rashtriya Janata Dal-Nationalist Congress Party alliance may get 7-13 seats in Bihar, while the ruling Janata Dal-United may get between two and five seats in the state if elections were held today.In Odisha, the opinion poll said the ruling BJD was projected to get 10-16 seats while the BJP could win 3-7 seats and Congress could get up to four seats.The poll said the BJP was projected to get 44 percent votes in Jharkhand compared to 30 percent by the Congress-Jharkhand Mukti Morcha-RJD alliance.In Assam, the ruling Congress was projected to get 44 percent votes while the BJP 19 percent, if elections were held today.It said the All India United Democratic Front could get 10 percent votes while the Asom Gana Parishad was likely to get 11 percent votes.