You need to apply to the Consulate of India by providing the required package of documents for visa processing.

The citizens of Russia staying in Thailand to obtain a tourist visa to India should apply to the Consulate of the Republic of India. This can be done in Bangkok or Chiang Mai.

Since 2012, the Government of India has introduced an obligatory personal interview with the consul for citizens of a number of states, whose list includes Russia. Together with the completed and printed application for a visa, you must provide a passport, a copy of it with a Thai visa, a copy of the in-house passport, two 5 x 5 cm photographs, a hotel reservation, the most accurate trip route, bank statement, return ticket. Worth a visa around 2170 THB.

Information department of the "Subtlety of Tourism"