I was talking about swing-wing aircraft, not the Tupolev-160 specifically. I am not sure we need something like the Tupolev-160. Something like the Tupolev-22M3 would be useful.
There is no solid source that confirms that we have the Tupolev-22M. If you have any source, please share.
Relevant thread: http://defenceforumindia.com/forum/threads/does-india-have-tu-22m3-bombers.31509/