Indira Gandhi was the first Prime Minister to visit China after Nehru. Her visit to China in 1957 was significant for several reasons:

Promoting Diplomatic Relations:
- Indira Gandhi's visit aimed to strengthen diplomatic relations between India and China. At that time, the two countries had ideological differences and were engaged in border disputes.
- The visit provided an opportunity for both nations to engage in dialogue and explore possibilities for peaceful coexistence.

Border Disputes:
- One of the key issues that needed to be addressed during the visit was the border dispute between India and China, which had led to the Sino-Indian War in 1962.
- Indira Gandhi's visit was a step towards resolving this dispute through peaceful negotiations and dialogue.

Building Trust:
- The visit was also important for building trust and understanding between the two nations. It allowed leaders from both countries to interact and exchange ideas on various issues of mutual interest.
- Indira Gandhi's visit played a crucial role in fostering better understanding and communication between India and China.

Exploring Economic Cooperation:
- Another objective of the visit was to explore possibilities for economic cooperation between India and China. Both countries recognized the potential for trade and economic partnership.
- Indira Gandhi's visit paved the way for future collaborations in areas such as trade, investment, and technology transfer.

Significance:
- Indira Gandhi's visit to China marked a significant milestone in India-China relations. It set the stage for future engagements and laid the foundation for a more constructive and cooperative relationship between the two countries.
- It also highlighted India's commitment to resolving conflicts through peaceful means and promoting diplomacy as a tool for international relations.

Overall, Indira Gandhi's visit to China played a crucial role in strengthening bilateral ties and promoting dialogue between India and China. It opened up avenues for cooperation and set a positive trajectory for future engagements between the two nations.