Somdev will take on Spaniard Daniel Munoz-De La Nava in the first round of the main draw.
Nadal, bidding for an unprecedented eighth French Open title, is the overwhelming favourite, having won six titles in eight finals since resuming his career after a seven-month injury lay-off.
The world number one Serb and the third-ranked Spaniard were placed in the same half of the draw, leaving Roger Federer, the second seed, to remain untroubled by either of his two great rivals until the final.
Li Na's momentous French Open title win of 2011 was expected to open the floodgates for Asian -- and in particular Chinese -- players in world tennis.
Four straight tournament wins at Miami, Charleston, Madrid and Rome (the last three coming on clay) and 22 matches in all for the loss of just four sets represents the best unbeaten streak of her career.
Having pulled clear of Bjorn Borg's record of six wins at Roland Garros with a seventh championship in 2012, the 26-year-old has already confounded the critics who had written him off during a seventh-month injury absence.
The Argentine was already forced to sidestep recent tournaments in Madrid and Portugal with the problem. He resumed at the Rome Masters last week before succumbing to France's Benoit Paire in the third round.
After meeting with medical specialists Murray has decided to skip the second Grand Slam of the year at Roland Garros to ensure he is fully fit for Wimbledon.
Barnard Tomic may not play the French Open as his management have not confirmed his participation. According to an article in The Australian there has been no word from the player as to whether he will take part in the tournament.
The Polish star has been carrying the injury throughout the claycourt season where she lost in the second round in Madrid as well as Rome.