To be more specific certain creative combinations like this one due work. I have seen words like Join.Me, Ta.Co, Call.Me, Fantasy.Football among many others that are truly valuabe combinations. In this case Sofsk.in is a bit weird just does not flow right.
At the same time it is just speculation but looking at namebio.com and checking out the .in domains recently sold will give you a better perspective.
Domain Price Date Venue
fcv.in 7,000 2015-11-06 Sedo
epaisa.in 1,100 2015-11-05 Sedo
locked.in 1,000 2015-11-03 Sedo
onlinecasinos.in 3,500 2015-10-29 Sedo
699.in 1,300 2015-10-27 Sedo
tuition.in 1,500 2015-10-23 Flippa
stand.in 2,987 2015-10-19 Sedo
moov.in 4,000 2015-10-07 Sedo
besthotels.in 1,000 2015-10-07 Sedo
000.in 3,000 2015-10-05 Sedo
So looking at these 10 recent sales you can see they sell for pretty good money. Also notice it is made up from short numeric types, short letter types and one word/ two words .coms. One of the best tactics you can begin to use is simply going over NameBio and studying the recent sales and find out why they are selling. There are many factors you can look at.
Search around this forum and you will begin to learn about the factors that determine the value of a domain. To give you a quick idea, look at how many monthly searches these domains have, the CPC, the amount of related sites using the keyword in their domain and how many advertisers in Google.
- Will