By Shivam Patel and Sumit Khanna MORBI, India (Reuters) – Indian Prime Minister Narendra Modi demanded lessons be learned as he visited the site of a bridge collapse that killed 135 people and met some of the injured in hospital on Tuesday. Army, navy and national disaster response force teams continued their search while locals gathered on the banks of the Machchhu river in Modi’s home state of Gujarat. The colonial-era suspension foot bridge in Morbi was packed with sightseers – many in town to celebrate the Diwali and Chhath Puja festivals – when it gave way on Sunday evening, sending peopl…