Jyoti (21'), Vandana Katariya (26') Gurjit (28', 35') and Navneet Kaur (56') were among the scorers.
India will face South Africa in Saturday's final while Japan will square off against USA in the third-fourth place play-off match.
The finalists will qualify for the FIH Olympic Qualifiers to be held in October-November this year.
India stormed into the semifinals of the FIH Series Finals hockey meet as they thrashed Uzbekistan 10-0, in Bhubaneswar on Monday.
Skipper Manpreet Singh scored in the 21st and 26th minutes while drag-flicker Harmanpreet Singh converted a penalty corner in the 36th minute.
Dragflicker Harmanpreet Singh (32nd, 48th) and striker Akashdeep Singh (41st, 55th minutes) scored a brace each for India.
Lalremsiami scored in the 11th minute to put India ahead while Navneet Kaur scored in 40th minute to double the lead.
Chinglensana Singh, Akashdeep Singh and Deepika have been nominated for Arjuna Award.
Rupinder Pal Singh last played for India at the 18th Asian Games in Jakarta last year.
India is always regarded as a high-pressure job for any coach but Graham Reid begs to differ
With 130 international caps, Graham Reid took to coaching a national team when he was appointed assistant coach in 2009 for Australia.
South Korea captain Lee Nam Young produced a moment of magic against India in the final of the Sultan Azlan Shah Cup.
India missed their first, fourth and fifth attempts and converted just two, while Korea just missed third strike to win the thrilling contest 4-2.
India are unbeaten in this year's edition of the hockey tournament and will play against South Korea in the final on Saturday.
Mandeep Singh was given the Man of the Match award for his fine hat-trick.
Sumit, Sumit Kumar Jr and Varun Kumar and Mandeep Singh scored in India's exciting win to stay in contention for a final berth.
India will take on Malaysia on March 26, after a rest day on Monday.