Pretty sure I am right. Decurved longer pointed bill. Pale bill base. As opposed to short triangular bill. Never seen Fire-capped Tit but subject to that caveat, I am pretty convinced.
Macaulay Library ML377625481; © Jainy Kuriakose; Kinnaur, Himachal Pradesh, India
macaulaylibrary.org
Macaulay Library ML152005571; © Ayuwat Jearwattanakanok; Pahang, Malaysia
macaulaylibrary.org
So we would be moving on from Mountain Firetail or Fire-capped Tit but quite keen not to jump one way or the other until David has reviewed his pic.
All the best
Paul