Conversation so far:
When did the partnership between Leander Paes and Mahesh Bhupathi start?
From 1996, he partnered with fellow-Indian Mahesh Bhupathi.
were Leander Paes and Mahesh Bhupathi a successful team?
The Indian duo has a 303–103 career record together. They have a high success rate against various top teams.
what is one of Leander Paes and Mahesh Bhupathi biggest wins?
1999, the duo reached the finals of all four Grand Slams, winning Wimbledon and the French, thus becoming the first Indians to win a doubles event at a Grand Slam.

Question: have they ever won a davis cup?
Self-contained rewrite: have Leander Paes and Mahesh Bhupath  ever won a davis cup?