The Indian President Pratibha Patil issued orders to dissolve the 14th Lok Sabha with immediate effect, paving the way for constitution of the new House, which is expected later this month. Earlier, Prime Minister Manmohan Singh on Monday called on President Pratibha Patil at the Rashtrapati Bhawan and handed over his resignation as well as that of his Council of Ministers. Cong keeps allies guessing on Cabinet berths. The President is expected to invite the Congress-led United Progressive Alliance (UPA), which has emerged as the largest pre-poll alliance with 261 Lok Sabha seats, tomorrow to form the next government at the Centre.