Across
Discovered Maharishi is maintaining particular religious beliefs and practices (6)
Bad state of service? One's incensed! (4,4)
Metal content of zinc (6)
I haven't cracked this one yet — but Fifteensquared have:
I was at a complete loss here but Gaufrid came to the rescue: IN is the ‘content’ of zINc and also the chemical symbol for INDIUM
Best meal? But it's not b___ cooked! (8)
GP goes berserk, having inwardly longed for some breakfast? (7,4)
Plan to have drunk a dram of Pittyvaich, for starters (4,3)
I haven't cracked this one yet — but Fifteensquared have:
An anagram [drunk] of A DRAM + initial letters [starters] of Of Pittyvaich
Tuft of hair that's a neat touch? (7)
Air bed in square 10 is somehow losing air badly? Have words with oneself (11)
I haven't cracked this one yet — but Fifteensquared have:
LILO [air bed] in an anagram [somehow] of SQUARE IO [ten] IS minus an anagram [badly] of air
Recommend a solicitor? (8)
Seductive dancer's short time gyrating in exchange for money (6)
I haven't cracked this one yet — but Fifteensquared have:
A reversal [gyrating] of MO [short time] in SALE [exchange for money – as a noun] for the dancer who seduced Herod
Playing for USA, has two identical hands in card game (3,5)
Ordering of essential bits of cash as foreign capital (6)
Down
In that capacity, a fascist group beheaded the Miller's Son (2,4)
I haven't cracked this one yet — but Fifteensquared have:
A SS [a fascist group] + [m]UCH [Much – the Miller’s Son, one of Robin Hood’s Merry Men, minus his first letter – ‘beheaded’]
Bad smell stopped by one reasonable sort of detergent (10)
I haven't cracked this one yet — but Fifteensquared have:
BO [bad smell] round [stopped by] I [one] + LOGICAL [reasonable]
Using winch as a cranky tool (8)
Jumpers displaying small fish (8)
Old woman having meal out in the Old Ship (8)
A drink only just opened? (4)
Killed a large number (4)
Plead ignorance initially about right sort of hair remover (10)
I haven't cracked this one yet — but Fifteensquared have:
An anagram [about] of PLEAD I[gnorance] + TORY [right]
Bit of a boob, perhaps, if is back on ecstasy (8)
I haven't cracked this one yet — but Fifteensquared have:
All I could see here was a reversal [back] of IS at the beginning and a final E for ecstasy until Gaufrid pointed out that it’s chemical symbols again – SI = SILICON
Trump's 'pesky bugs' giving bum steer to extremely sick European? (8)
I haven't cracked this one yet — but Fifteensquared have:
An anagram [bum] of STEER after the first and last letters [extremely] of SicK + E [European] – a reference to the fly that was caught in the POTUS’ hair during a speech: Trump is in the clue to indicate that SKEETERS is American slang for mosquitoes
Bit of a bar fight? It'll play out noisily, unless you keep the lid on it (5,3)
Mineral primarily a compound of 13, reduced by measure unknown (6)
Leading Indian once serving 7up (4)
Like 11 once were, where it's 11 v 11 (4)
Type letters or click words in the clue