CPI today welcomed Prime Minister Narendra Modi's decision to visit Lahore to meet his Pakistani counterpart Nawaz Sharif, saying it would help take forward the Indo-Pak dialogue process. Talking to reporters in New Delhi, Mr D. Raja said, dialogue is the only alternative to improve good neighbourly relations and sort out all problems bilaterally. He said it would help arrive at a better understanding and strengthen mutual trust between the two countries so that the dialogue process can be taken forward.