President Pratibha Devisingh Patil has emphasized the need for collective efforts to solve the problems of poverty, population growth, unemployment, and corruption. She was speaking at concluding ceremony of post-centennial silver jubilee celebrations of Fergusson College in Pune on Monday. <br/> <br/>While referring to the Pune bomb blast she said that, terrorist who kills innocent people are the enemy of humanity and they should be defeated. President has also said that India is working with international community against the terrorism. She has called upon the youths to face the challenges of global world. <br/> <br/>President has lauded the contribution made by Fergusson College in the field of education during last 125 years.<br/>