In 2016, the artist achieved a new high in the auction market with the sale of Santhal Couple (1930), offered in the Modern Indian Art by Asta Guru, which concluded on 22 March 2016 at Online, achieving a sale price of ₹1,80,91,793 ($271,889). This record marked a defining moment in the artist's market history, reflecting both the significance of the artwork and its reception within the broader art world.

Ramkinkar’s watercolours stand a little apart from the rest of his oeuvre. They represent his immediate response to visual facts and are free from pre-concepts and after thoughts… They were done on the spot and with great speed and often came in a series recording a perception or experience close on its heels… In his watercolours an unregulated expression of his sensibility comes through, in them Ramkinkar can be said to be chasing the transient

When Ramkinkar sat down with his sketch-pad before his landscape each common spot underwent a change. Each little detail came to throbbing life. He modest trees bristled up with a primitive vigour and the foliage took on a new sheen and vivacity. The sky played hide and seek with the barren earth, now zooming forward with a patch of blue, now going into hiding under a veil of grey. The seasonal nuances came out with great authenticity. In his company we saw nature in a new light

In 1998, the artist achieved a new high in the auction market with the sale of Landscape In Spring (1947), offered in the Twentieth Century Indian Art by Christie's, which concluded on 02 June 1998 at London, achieving a sale price of ₹3,14,479 ($7,539). This record marked a defining moment in the artist's market history, reflecting both the significance of the artwork and its reception within the broader art world.

In 2011, the artist achieved a new high in the auction market with the sale of Bust Of Ira Vakil (Nee Chaudhuri) (1947), offered in the Creative India Series 1: Bengal by Osian's, which concluded on 15 December 2011 at New Delhi, achieving a sale price of ₹28,80,000 ($53,102). This record marked a defining moment in the artist's market history, reflecting both the significance of the artwork and its reception within the broader art world.

Ramkinkar does a great number of landscapes with a rythmic spatial structure enlivened by judiciously laid washes and hatchings of brilliant colour in between; their varied densities and surface breaks accentuate the movement. Thematically they veer round the Santiniketan landscape, the Nepal panaroma, the Shillong lakes and hillsides; the rhythms vary with the location and the subject. The technique is, to an extent, modelled on Cezanne’s; the overall spatial statement is made with neutral washes, the spaces between are manipulated with colour layers of various stress and intensity forward or backward. But this, despite the linear drama, is prominent.

In 2006, the artist achieved a new high in the auction market with the sale of Threshing Series (1956), offered in the Masterpieces & Museum Quality Series VI: With Rare Drawings and Books on Indian Contemporary Art by Osian's, which concluded on 01 March 2006 at New Delhi, achieving a sale price of ₹13,80,000 ($31,116). This record marked a defining moment in the artist's market history, reflecting both the significance of the artwork and its reception within the broader art world.

In 2013, the artist achieved a new high in the auction market with the sale of Festive Eve (1960), offered in the South Asian Art by Christie's, which concluded on 19 December 2013 at Mumbai, achieving a sale price of ₹52,50,000 ($84,162). This record marked a defining moment in the artist's market history, reflecting both the significance of the artwork and its reception within the broader art world.